Microsoft Patch Tuesday · October 2025

Use after free in Microsoft Graphics Component allows an authorized attacker to elevate privileges over a network.

tif_predict.h and tif_predict.c in libtiff 4.0.6 have assertions that can lead to assertion failures in debug mode, or buffer overflows in release mode, when dealing with unusual tile size like YCbCr with subsampling.

An issue was discovered in Dolby UDC 4.5 through 4.13.

Integer overflow or wraparound in Microsoft Windows Speech allows an authorized attacker to elevate privileges locally.

Improper input validation in Microsoft Windows Speech allows an authorized attacker to elevate privileges locally.

Use after free in Remote Desktop Client allows an unauthorized attacker to execute code over a network.

Improper neutralization of special elements used in an sql command ('sql injection') in Microsoft Configuration Manager allows an unauthorized attacker to elevate privileges over an adjacent network.

Heap-based buffer overflow in Internet Explorer allows an unauthorized attacker to execute code over a network.

Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally.

Improper input validation in JDBC Driver for SQL Server allows an unauthorized attacker to perform spoofing over a network.

Microsoft is aware of vulnerabilities in the third party Agere Modem driver that ships natively with supported Windows operating systems.

Publicly disclosed

Out-of-bounds read in Windows Kernel allows an authorized attacker to elevate privileges locally.

Use after free in Windows Digital Media allows an authorized attacker to elevate privileges locally.

Use after free in Windows Digital Media allows an authorized attacker to elevate privileges locally.

Use after free in Xbox allows an authorized attacker to elevate privileges locally.

Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Hyper-V allows an authorized attacker to elevate privileges locally.

Out-of-bounds read in Windows NDIS allows an authorized attacker to elevate privileges locally.

Untrusted pointer dereference in Windows Device Association Broker service allows an authorized attacker to elevate privileges locally.

Time-of-check time-of-use (toctou) race condition in Windows Cloud Files Mini Filter Driver allows an authorized attacker to elevate privileges locally.

Improper input validation in Windows Error Reporting allows an authorized attacker to elevate privileges locally.

Improper access control in Windows Error Reporting allows an authorized attacker to elevate privileges locally.

Time-of-check time-of-use (toctou) race condition in NtQueryInformation Token function (ntifs.h) allows an authorized attacker to elevate privileges locally.

Improper validation of specified type of input in Microsoft Windows allows an authorized attacker to elevate privileges locally.

Improper access control in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.

Use of a cryptographic primitive with a risky implementation in Windows Cryptographic Services allows an authorized attacker to disclose information locally.

Heap-based buffer overflow in Windows DWM allows an authorized attacker to elevate privileges locally.

Use after free in Windows Bluetooth Service allows an authorized attacker to elevate privileges locally.

Improper input validation in Windows Kernel allows an authorized attacker to elevate privileges locally.

Heap-based buffer overflow in Connected Devices Platform Service (Cdpsvc) allows an authorized attacker to elevate privileges locally.

Buffer over-read in Storport.sys Driver allows an authorized attacker to elevate privileges locally.

Improper access control in Software Protection Platform (SPP) allows an authorized attacker to elevate privileges locally.

Improper access control in Network Connection Status Indicator (NCSI) allows an authorized attacker to elevate privileges locally.

Untrusted pointer dereference in Windows Kernel allows an authorized attacker to elevate privileges locally.

Use after free in Microsoft Office Word allows an unauthorized attacker to execute code locally.

Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally.

Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally.

Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally.

Access of resource using incompatible type ('type confusion') in Microsoft Office Excel allows an unauthorized attacker to execute code locally.

Access of resource using incompatible type ('type confusion') in Microsoft Office Excel allows an unauthorized attacker to execute code locally.

Use after free in Microsoft Office PowerPoint allows an unauthorized attacker to execute code locally.

Improper link resolution before file access ('link following') in Windows Health and Optimized Experiences Service allows an authorized attacker to elevate privileges locally.

Heap-based buffer overflow in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.

Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally.

Heap-based buffer overflow in Windows DWM Core Library allows an authorized attacker to elevate privileges locally.

Heap-based buffer overflow in Windows DWM Core Library allows an authorized attacker to elevate privileges locally.

Improper validation of specified type of input in Windows Authentication Methods allows an authorized attacker to elevate privileges locally.

Improper validation of specified type of input in Windows Authentication Methods allows an authorized attacker to elevate privileges locally.

Improper validation of specified type of input in Windows Authentication Methods allows an authorized attacker to elevate privileges locally.

Improper link resolution before file access ('link following') in XBox Gaming Services allows an authorized attacker to elevate privileges locally.

Use after free in Windows Bluetooth Service allows an authorized attacker to elevate privileges locally.

Out-of-bounds read in Windows DWM allows an authorized attacker to elevate privileges locally.

Cleartext transmission of sensitive information in Windows Hello allows an unauthorized attacker to bypass a security feature locally.

Null pointer dereference in Windows DirectX allows an authorized attacker to deny service over a network.

Concurrent execution using shared resource with improper synchronization ('race condition') in Data Sharing Service Client allows an unauthorized attacker to perform spoofing locally.

Use after free in Connected Devices Platform Service (Cdpsvc) allows an unauthorized attacker to execute code over a network.

Improper access control in Windows SMB Server allows an authorized attacker to elevate privileges over a network.

Uncontrolled resource consumption in Windows Remote Procedure Call allows an unauthorized attacker to deny service over a network.

Cursor is a code editor built for programming with AI.

Use after free in Microsoft Brokering File System allows an unauthorized attacker to elevate privileges locally.

Use after free in Windows NTFS allows an unauthorized attacker to elevate privileges locally.

Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Resilient File System (ReFS) allows an unauthorized attacker to elevate privileges locally.

Use after free in Windows Kernel allows an unauthorized attacker to elevate privileges locally.

Use after free in Microsoft Brokering File System allows an unauthorized attacker to elevate privileges locally.

Windows Resilient File System (ReFS) Deduplication Service Elevation of Privilege Vulnerability

Windows Resilient File System (ReFS) Deduplication Service Elevation of Privilege Vulnerability

Improper access control in Microsoft PowerShell allows an authorized attacker to elevate privileges locally.

Improper access control in Visual Studio allows an authorized attacker to elevate privileges locally.

Out-of-bounds read in Windows MapUrlToZone allows an unauthorized attacker to disclose information over a network.

Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.

Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.

Use after free in Windows Device Association Broker service allows an authorized attacker to elevate privileges locally.

Reliance on untrusted inputs in a security decision in Windows Virtualization-Based Security (VBS) Enclave allows an authorized attacker to elevate privileges locally.

Use after free in Windows PrintWorkflowUserSvc allows an authorized attacker to elevate privileges locally.

Improper authentication in Windows Remote Desktop Protocol allows an authorized attacker to bypass a security feature locally.

Use after free in Windows DirectX allows an authorized attacker to elevate privileges locally.

Use after free in Windows PrintWorkflowUserSvc allows an authorized attacker to elevate privileges locally.

Use after free in Windows PrintWorkflowUserSvc allows an authorized attacker to elevate privileges locally.

Use after free in Windows PrintWorkflowUserSvc allows an authorized attacker to elevate privileges locally.

Use after free in Windows PrintWorkflowUserSvc allows an authorized attacker to elevate privileges locally.

Use after free in Windows PrintWorkflowUserSvc allows an authorized attacker to elevate privileges locally.

Use after free in Windows PrintWorkflowUserSvc allows an authorized attacker to elevate privileges locally.

Use after free in Windows PrintWorkflowUserSvc allows an authorized attacker to elevate privileges locally.

Heap-based buffer overflow in Windows COM allows an authorized attacker to elevate privileges locally.

Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Connected Devices Platform Service allows an authorized attacker to elevate privileges locally.

Use after free in Inbox COM Objects allows an unauthorized attacker to execute code locally.

Use after free in Inbox COM Objects allows an unauthorized attacker to execute code locally.

Use after free in Inbox COM Objects allows an unauthorized attacker to execute code locally.

Use after free in Inbox COM Objects allows an unauthorized attacker to execute code locally.

Use after free in Inbox COM Objects allows an unauthorized attacker to execute code locally.

Use after free in Inbox COM Objects allows an unauthorized attacker to execute code locally.

Use after free in Inbox COM Objects allows an unauthorized attacker to execute code locally.

Use after free in Windows Remote Desktop allows an unauthorized attacker to execute code locally.

Use after free in Inbox COM Objects allows an unauthorized attacker to execute code locally.

Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Management Services allows an authorized attacker to elevate privileges locally.

Use of uninitialized resource in Windows Kernel allows an authorized attacker to elevate privileges locally.

Concurrent execution using shared resource with improper synchronization ('race condition') in Microsoft Graphics Component allows an authorized attacker to deny service locally.

Concurrent execution using shared resource with improper synchronization ('race condition') in Windows SSDP Service allows an authorized attacker to elevate privileges locally.

Use after free in Windows Remote Desktop Services allows an authorized attacker to elevate privileges locally.

Concurrent execution using shared resource with improper synchronization ('race condition') in Microsoft Graphics Component allows an authorized attacker to elevate privileges locally.

Use after free in Microsoft Office Word allows an unauthorized attacker to execute code locally.

Time-of-check time-of-use (toctou) race condition in Microsoft Graphics Component allows an authorized attacker to elevate privileges locally.

Concurrent execution using shared resource with improper synchronization ('race condition') in Inbox COM Objects allows an unauthorized attacker to execute code locally.

Double free in Windows Bluetooth Service allows an authorized attacker to elevate privileges locally.

Improper neutralization of special elements used in an sql command ('sql injection') in Microsoft Configuration Manager allows an authorized attacker to elevate privileges over an adjacent network.

TCG TPM2.0 Reference implementation's CryptHmacSign helper function is vulnerable to Out-of-Bounds read due to the lack of validation the signature scheme with the signature key's algorithm.

Publicly disclosed

Out-of-bounds read in Windows Routing and Remote Access Service (RRAS) allows an unauthorized attacker to disclose information over a network.

Out-of-bounds read in Windows Routing and Remote Access Service (RRAS) allows an unauthorized attacker to disclose information over a network.

Improper validation of specified type of input in Windows Local Session Manager (LSM) allows an authorized attacker to deny service over a network.

Exposure of sensitive information to an unauthorized actor in Windows File Explorer allows an unauthorized attacker to perform spoofing over a network.

External control of file name or path in Windows Core Shell allows an unauthorized attacker to perform spoofing over a network.

Exposure of sensitive information to an unauthorized actor in Windows File Explorer allows an unauthorized attacker to perform spoofing over a network.

External control of file name or path in Windows Core Shell allows an unauthorized attacker to perform spoofing over a network.

Improper validation of specified type of input in Windows Local Session Manager (LSM) allows an authorized attacker to deny service over a network.

Improper validation of specified type of input in Windows Local Session Manager (LSM) allows an authorized attacker to deny service over a network.

Use of a key past its expiration date in Virtual Secure Mode allows an authorized attacker to perform spoofing locally.

Cleartext storage of sensitive information in Windows Kernel allows an unauthorized attacker to bypass a security feature locally.

Insertion of sensitive information into log file in Active Directory Federation Services allows an unauthorized attacker to disclose information locally.

Improper enforcement of behavioral workflow in Windows BitLocker allows an unauthorized attacker to bypass a security feature with a physical attack.

Improper enforcement of behavioral workflow in Windows BitLocker allows an unauthorized attacker to bypass a security feature with a physical attack.

Incomplete comparison with missing factors in Windows BitLocker allows an unauthorized attacker to bypass a security feature with a physical attack.

Improper enforcement of behavioral workflow in Windows BitLocker allows an unauthorized attacker to bypass a security feature with a physical attack.

Missing Ability to Patch ROM Code in Windows BitLocker allows an unauthorized attacker to bypass a security feature with a physical attack.

Improper enforcement of behavioral workflow in Windows BitLocker allows an unauthorized attacker to bypass a security feature with a physical attack.

Insertion of sensitive information into log file in Windows Failover Cluster allows an authorized attacker to disclose information locally.

Buffer over-read in Windows Storage Management Provider allows an authorized attacker to disclose information locally.

Exposure of sensitive information to an unauthorized actor in Windows Cloud Files Mini Filter Driver allows an authorized attacker to disclose information locally.

Generation of error message containing sensitive information in Windows USB Video Driver allows an authorized attacker to disclose information locally.

Exposure of sensitive information to an unauthorized actor in Windows Kernel allows an authorized attacker to disclose information locally.

Out-of-bounds read in Windows WLAN Auto Config Service allows an authorized attacker to disclose information locally.

Exposure of sensitive information to an unauthorized actor in Windows Kernel allows an authorized attacker to disclose information locally.

Exposure of sensitive information to an unauthorized actor in Windows High Availability Services allows an authorized attacker to disclose information locally.

Exposure of sensitive information to an unauthorized actor in Windows Kernel allows an authorized attacker to disclose information locally.

Exposure of sensitive information to an unauthorized actor in Windows Failover Cluster allows an authorized attacker to disclose information locally.

Improper input validation in Microsoft Windows Search Component allows an unauthorized attacker to deny service locally.

Insertion of sensitive information into log file in Windows ETL Channel allows an authorized attacker to disclose information locally.

Insertion of sensitive information into log file in Windows StateRepository API allows an authorized attacker to disclose information locally.

Use of uninitialized resource in Windows Management Services allows an authorized attacker to disclose information locally.

Exposure of sensitive information to an unauthorized actor in Windows Push Notification Core allows an authorized attacker to disclose information locally.

Exposure of sensitive information to an unauthorized actor in Windows Push Notification Core allows an authorized attacker to disclose information locally.

Improper access control in Microsoft Windows Search Component allows an authorized attacker to deny service locally.

Exposure of sensitive information to an unauthorized actor in Microsoft Failover Cluster Virtual Driver allows an authorized attacker to disclose information locally.

Exposure of sensitive information to an unauthorized actor in Windows NTLM allows an unauthorized attacker to perform spoofing locally.

Improper verification of cryptographic signature in Github: Playwright allows an unauthorized attacker to perform spoofing over an adjacent network.

Improper input validation in Windows Kernel allows an unauthorized attacker to disclose information locally.

Improper input validation in Microsoft Windows Search Component allows an authorized attacker to deny service locally.

Use after free in Connected Devices Platform Service (Cdpsvc) allows an authorized attacker to elevate privileges locally.

Exposure of sensitive information to an unauthorized actor in Windows Taskbar Live allows an unauthorized attacker to disclose information with a physical attack.

Improper authentication in Windows SMB Client allows an unauthorized attacker to perform tampering over a network.

External control of file name or path in Confidential Azure Container Instances allows an authorized attacker to elevate privileges locally.

External control of file name or path in Confidential Azure Container Instances allows an authorized attacker to elevate privileges locally.

Heap-based buffer overflow in Azure Local allows an authorized attacker to elevate privileges locally.

Improper access control in Azure Connected Machine Agent allows an authorized attacker to elevate privileges locally.

Improper access control in Azure Monitor Agent allows an authorized attacker to elevate privileges locally.

Improper access control in Azure Connected Machine Agent allows an authorized attacker to elevate privileges locally.

Deserialization of untrusted data in Azure Monitor Agent allows an authorized attacker to elevate privileges locally.

Use after free in Microsoft Office Visio allows an unauthorized attacker to execute code locally.

Use after free in Microsoft Office allows an unauthorized attacker to execute code locally.

Use after free in Microsoft Office allows an unauthorized attacker to execute code locally.

Uncaught exception in Microsoft Office allows an unauthorized attacker to deny service locally.

Inconsistent interpretation of http requests ('http request/response smuggling') in ASP.NET Core allows an authorized attacker to bypass a security feature over a network.

Improper link resolution before file access ('link following') in .NET allows an authorized attacker to elevate privileges locally.

Inadequate encryption strength in .NET, .NET Framework, Visual Studio allows an authorized attacker to disclose information over a network.

Weak authentication in Microsoft Exchange Server allows an authorized attacker to elevate privileges over a network.

Incorrect implementation of authentication algorithm in Microsoft Exchange Server allows an unauthorized attacker to elevate privileges locally.

Improper input validation in Microsoft Exchange Server allows an unauthorized attacker to perform spoofing over a network.

Improper input validation in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.

Deserialization of untrusted data in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.

Deserialization of untrusted data in Windows Server Update Service allows an unauthorized attacker to execute code over a network.

Listed in CISA KEV

Time-of-check time-of-use (toctou) race condition in Microsoft Defender for Linux allows an authorized attacker to deny service locally.