Microsoft Patch Tuesday · March 2026

Semantic Kernel, Microsoft's semantic kernel Python SDK, has a remote code execution vulnerability in versions prior to 1.39.4, specifically within the `InMemoryVectorStore` filter functionality.

Improper input validation in System Center Operations Manager allows an authorized attacker to elevate privileges over a network.

Dependency on vulnerable third-party component in GitHub Repo: zero-shot-scfoundation allows an unauthorized attacker to execute code over a network.

Use after free in RPC Runtime allows an authorized attacker to execute code over a network.

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

Improper restriction of names for files and other resources in Active Directory Domain Services allows an authorized attacker to elevate privileges over a network.

Heap-based buffer overflow in Windows Telephony Service allows an unauthorized attacker to elevate privileges over an adjacent network.

Improper validation of specified type of input in SQL Server allows an authorized attacker to elevate privileges over a network.

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

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

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

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

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

Windows Universal Disk Format File System Driver (UDFS) Elevation of Privilege Vulnerability

Out-of-bounds read in Windows Resilient File System (ReFS) allows an authorized attacker to elevate privileges locally.

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

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

Improper access control in Windows Projected File System allows an authorized attacker to elevate privileges locally.

Incorrect permission assignment for critical resource in Windows Accessibility Infrastructure (ATBroker.exe) allows an authorized attacker to elevate privileges locally.

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

Null pointer dereference in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.

Improper authentication in Windows SMB Server allows an authorized attacker to elevate privileges locally.

Null pointer dereference in Windows Performance Counters allows an authorized attacker to elevate privileges locally.

Deserialization of untrusted data in Windows System Image Manager allows an authorized attacker to execute code locally.

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

Out-of-bounds read in Windows NTFS 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.

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

Use after free in Windows DWM Core Library allows an authorized attacker to elevate privileges locally.

Untrusted search path in Windows GDI allows an unauthorized attacker to execute code locally.

Use after free 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.

Untrusted pointer dereference in Microsoft Office Excel allows an unauthorized attacker to execute code locally.

Improper authentication in Windows SMB Server allows an authorized attacker to elevate privileges locally.

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

Improper authentication in Azure Arc allows an authorized attacker to elevate privileges locally.

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

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

Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Office Excel allows an unauthorized attacker to disclose information over a network.

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

Use after free in Broadcast DVR 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.

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

Use after free in Windows Win32K allows an authorized attacker to elevate privileges locally.

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

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

Use after free in Windows Hyper-V allows an authorized attacker to elevate privileges locally.

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

Use after free in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.

Improper validation of specified type of input in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.

Heap-based buffer overflow in Windows Mobile Broadband allows an unauthorized attacker to execute code with a physical attack.

Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Kerberos allows an unauthorized attacker to bypass a security feature over a network.

Null pointer dereference in Microsoft Graphics Component allows an unauthorized attacker to deny service locally.

Divide by zero in Microsoft Graphics Component allows an unauthorized attacker to deny service locally.

Insufficient verification of data authenticity in Windows App Installer allows an unauthorized attacker to perform spoofing over a network.

Out-of-bounds read in Push Message Routing Service allows an authorized attacker to disclose information locally.

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

Exposure of sensitive information to an unauthorized actor in Windows Accessibility Infrastructure (ATBroker.exe) allows an authorized attacker to disclose information locally.

Cwe is not in rca categories in Microsoft Authenticator allows an unauthorized attacker to disclose information locally.

Exposure of sensitive information to an unauthorized actor in Windows Shell Link Processing allows an unauthorized attacker to perform spoofing over a network.

Server-side request forgery (ssrf) in Azure MCP Server allows an authorized attacker to elevate privileges over a network.

External initialization of trusted variables or data stores in Azure Entra ID allows an unauthorized attacker to elevate privileges locally.

Improper access control in Azure Portal Windows Admin Center allows an authorized attacker to elevate privileges locally.

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

Authentication bypass using an alternate path or channel in Azure Windows Virtual Machine Agent allows an authorized attacker to elevate privileges locally.

Cleartext transmission of sensitive information in Azure IoT Explorer allows an unauthorized attacker to disclose information over a network.

Missing authentication for critical function in Azure IoT Explorer allows an unauthorized attacker to disclose information over a network.

Improper restriction of communication channel to intended endpoints in Azure IoT Explorer allows an unauthorized attacker to disclose information over a network.

Server-side request forgery (ssrf) in Azure IoT Explorer allows an unauthorized attacker to perform spoofing over a network.

Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Office SharePoint 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.

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

Untrusted pointer dereference in Microsoft Office allows an unauthorized attacker to execute code locally.

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

Incorrect default permissions in .NET allows an authorized attacker to elevate privileges locally.

Out-of-bounds read in .NET allows an unauthorized attacker to deny service over a network.

Publicly disclosed

Allocation of resources without limits or throttling in ASP.NET Core allows an unauthorized attacker to deny service over a network.

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

Publicly disclosed