Microsoft Patch Tuesday · September 2025

Deserialization of untrusted data in Microsoft High Performance Compute Pack (HPC) allows an unauthorized attacker to execute code over a network.

In the Linux kernel, the following vulnerability has been resolved: wifi: iwlwifi: mvm: guard against invalid STA ID on removal Guard against invalid station IDs in iwl_mvm_mld_rm_sta_id as that would result in out-of-bounds array accesses.

Integer overflow or wraparound in Windows Routing and Remote Access Service (RRAS) allows an unauthorized attacker to execute code over a network.

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

Heap-based buffer overflow in Windows Routing and Remote Access Service (RRAS) allows an unauthorized attacker to execute code over a network.

Improper authentication in Windows NTLM allows an authorized attacker to elevate privileges over a network.

SMB Server might be susceptible to relay attacks depending on the configuration.

Publicly disclosed

Ai command injection in Agentic AI and Visual Studio Code allows an unauthorized attacker to execute code over a network.

In the Linux kernel, the following vulnerability has been resolved: mm/swap: fix race when skipping swapcache When skipping swapcache for SWP_SYNCHRONOUS_IO, if two or more threads swapin the same entry at the same time, they get different pages (A, B).

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: fix incorrect mpc_combine array size [why] MAX_SURFACES is per stream, while MAX_PLANES is per asic.

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: u_audio: Fix race condition use of controls after free during gadget unbind.

No cwe for this issue in Microsoft Graphics Component allows an authorized attacker to elevate privileges locally.

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

Integer overflow or wraparound in Windows Hyper-V 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.

Improper access control in Windows Hyper-V allows an authorized attacker to elevate privileges locally.

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

Use after free in Windows UI XAML Phone DatePickerFlyout allows an authorized attacker to elevate privileges locally.

Local Security Authority Subsystem Service Elevation of Privilege Vulnerability

Integer overflow or wraparound in Windows SPNEGO Extended Negotiation allows an authorized attacker to elevate privileges locally.

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

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

Free of memory not on the heap in Microsoft Office Excel allows an unauthorized attacker to execute code locally.

Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally.

Out-of-bounds read 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.

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

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

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

Stack-based buffer overflow in Windows NTFS allows an authorized attacker to execute code locally.

Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Win32K - GRFX allows an authorized attacker to execute code locally.

Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Win32K - GRFX allows an authorized attacker to execute code locally.

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

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

Newtonsoft.Json before version 13.0.1 is affected by a mishandling of exceptional conditions vulnerability.

Publicly disclosed

Out-of-bounds read in Windows Internet Information Services allows an unauthorized attacker to deny service over a network.

Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Win32K - GRFX allows an authorized attacker to execute code locally.

Dynamics 365 FastTrack Implementation Assets Information Disclosure Vulnerability

Exposure of sensitive information to an unauthorized actor in Xbox allows an unauthorized attacker to disclose information over a network.

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

Improper access control in Windows MultiPoint Services allows an authorized attacker to elevate privileges locally.

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

Time-of-check time-of-use (toctou) race condition in Graphics Kernel allows an authorized attacker to execute code locally.

Untrusted pointer dereference in Microsoft Office Word allows an unauthorized attacker to disclose information locally.

Improper restriction of communication channel to intended endpoints in Windows PowerShell allows an authorized attacker to elevate privileges locally.

Use after free in Windows Bluetooth Service 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.

Time-of-check time-of-use (toctou) race condition in Windows TCP/IP allows an authorized attacker to elevate privileges locally.

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

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

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

Use after free in Microsoft Virtual Hard Drive 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.

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

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

Access of resource using incompatible type ('type confusion') in Windows Defender Firewall Service allows an authorized attacker to elevate privileges locally.

Access of resource using incompatible type ('type confusion') in Windows Defender Firewall Service allows an authorized attacker to elevate privileges locally.

Access of resource using incompatible type ('type confusion') in Windows Defender Firewall Service allows an authorized attacker to elevate privileges locally.

Access of resource using incompatible type ('type confusion') in Windows Defender Firewall Service allows an authorized attacker to elevate privileges locally.

Access of resource using incompatible type ('type confusion') in Windows Defender Firewall Service allows an authorized attacker to elevate privileges locally.

Access of resource using incompatible type ('type confusion') in Windows Defender Firewall Service allows an authorized attacker to elevate privileges locally.

Concurrent execution using shared resource with improper synchronization ('race condition') in Graphics Kernel allows an authorized attacker to execute code locally.

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

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

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

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

Improper input validation in Windows Local Security Authority Subsystem Service (LSASS) allows an authorized attacker to deny service 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.

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.

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

In the Linux kernel, the following vulnerability has been resolved: md: Don't register sync_thread for reshape directly Currently, if reshape is interrupted, then reassemble the array will register sync_thread directly from pers->run(), in this case 'MD_RECOVERY_RUNNING' is set directly, however, there is no guarantee that md_do_sync() will be executed, hence stop_sync_thread() will hang because 'MD_RECOVERY_RUNNING' can't be cleared.

Use of uninitialized resource in Windows Imaging Component allows an unauthorized attacker to disclose information locally.

Generation of error message containing sensitive information in Windows Kernel 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.

Buffer over-read in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.

The memory allocation function ACPI_ALLOCATE_ZEROED does not guarantee a successful allocation, but the subsequent code directly dereferences the pointer that receives it, which may lead to null pointer dereference.

Use after free in Windows SMBv3 Client allows an authorized attacker to execute code over a network.

In the Linux kernel, the following vulnerability has been resolved: btrfs: scrub: handle RST lookup error correctly [BUG] When running btrfs/060 with forced RST feature, it would crash the following ASSERT() inside scrub_read_endio(): ASSERT(sector_nr < stripe->nr_sectors); Before that, we would have tree dump from btrfs_get_raid_extent_offset(), as we failed to find the RST entry for the range.

Improper resolution of path equivalence in Windows MapUrlToZone allows an unauthorized attacker to bypass a security feature over a network.

Protection mechanism failure in Windows MapUrlToZone allows an unauthorized attacker to bypass a security feature over a network.

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Disable idle reallow as part of command/gpint execution [Why] Workaroud for a race condition where DMCUB is in the process of committing to IPS1 during the handshake causing us to miss the transition into IPS2 and touch the INBOX1 RPTR causing a HW hang.

Use after free in Serviceworker in Google Chrome on Desktop prior to 140.0.7339.127 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

Inappropriate implementation in Mojo in Google Chrome on Android, Linux, ChromeOS prior to 140.0.7339.127 allowed a remote attacker to bypass site isolation via a crafted HTML page.

Inappropriate implementation in Extensions in Google Chrome prior to 140.0.7339.80 allowed a remote attacker to bypass content security policy via a crafted HTML page.

Inappropriate implementation in Toolbar in Google Chrome on Android prior to 140.0.7339.80 allowed a remote attacker who convinced a user to engage in specific UI gestures to perform domain spoofing via a crafted HTML page.

Inappropriate implementation in Downloads in Google Chrome on Android prior to 140.0.7339.80 allowed a remote attacker to perform UI spoofing via a crafted HTML page.

Azure Networking Elevation of Privilege Vulnerability

Azure Entra ID Elevation of Privilege Vulnerability

Azure Bot Service Elevation of Privilege Vulnerability

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

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

Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code locally.

Free of memory not on the heap in Microsoft Office allows an unauthorized attacker to execute code locally.

Heap-based buffer overflow in Microsoft Office Visio allows an unauthorized attacker to execute code locally.

Exposure of sensitive information to an unauthorized actor in Microsoft Office Plus allows an unauthorized attacker to perform spoofing over a network.

Improper neutralization of special elements used in a command ('command injection') in SQL Server allows an authorized attacker to elevate privileges over a network.

Concurrent execution using shared resource with improper synchronization ('race condition') in SQL Server allows an authorized attacker to disclose information over a network.

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

Improper access control in Microsoft Edge (Chromium-based) allows an unauthorized attacker to bypass a security feature over a network.