Microsoft Patch Tuesday · May 2025

Improper limitation of a pathname to a restricted directory ('path traversal') in Azure allows an unauthorized attacker to elevate privileges over a network.

Server-Side Request Forgery (SSRF) in Microsoft Power Apps allows an unauthorized attacker to disclose information over a network

Stack-based buffer overflow in Windows Media allows an unauthorized attacker to execute code over a network.

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

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

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

Heap-based buffer overflow in Windows Remote Desktop allows an unauthorized attacker to execute code over a network.

Heap-based buffer overflow in Remote Desktop Gateway Service allows an unauthorized attacker to execute code over a network.

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

Buffer over-read in Microsoft Office Excel allows an unauthorized attacker to execute code locally.

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

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

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

Heap-based buffer overflow 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.

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

Release of invalid pointer or reference 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.

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

Use after free in Windows Common Log File System Driver allows an authorized attacker to elevate privileges locally.

Heap-based buffer overflow in Windows Win32K - GRFX allows an unauthorized attacker to execute code locally.

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

Improper neutralization of special elements used in a command ('command injection') in Visual Studio allows an unauthorized attacker to execute code locally.

Publicly disclosed

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

Out-of-bounds read in Windows NTFS allows an unauthorized attacker to elevate privileges locally.

Time-of-check time-of-use (toctou) race condition in Windows Virtual Machine Bus allows an unauthorized attacker to execute code locally.

Uncontrolled resource consumption in Remote Desktop Gateway Service allows an unauthorized attacker to deny service over a network.

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

Acceptance of extraneous untrusted data with trusted data in UrlMon allows an unauthorized attacker to bypass a security feature over a network.

Time-of-check time-of-use (toctou) race condition in Windows Fundamentals allows an authorized attacker to execute code over a network.

Out-of-bounds read in Web Threat Defense (WTD.sys) allows an unauthorized attacker to deny service over a network.

Null pointer dereference in Windows Drivers allows an unauthorized attacker to elevate privileges locally.

Improper handling of insufficient permissions or privileges in Microsoft Dataverse allows an authorized attacker to elevate privileges over a network.

Files or directories accessible to external parties in Visual Studio Code allows an unauthorized attacker to bypass a security feature locally.

Improper privilege management in Windows Secure Kernel Mode allows an authorized attacker to elevate privileges locally.

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

Use of hard-coded credentials in Windows Hardware Lab Kit allows an authorized attacker to elevate privileges locally.

Use of uninitialized resource 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.

Use of uninitialized resource in Windows Routing and Remote Access Service (RRAS) allows an unauthorized attacker to disclose information over a network.

Use of uninitialized resource 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.

Improper input validation in Active Directory Certificate Services (AD CS) allows an authorized attacker to deny service over a network.

Improper input validation in Windows Hyper-V allows an unauthorized attacker to deny service locally.

Uncontrolled resource consumption in Windows Deployment Services allows an unauthorized attacker to deny service locally.

Uncontrolled resource consumption in Windows LDAP - Lightweight Directory Access Protocol allows an unauthorized attacker to deny service over a network.

Sensitive data storage in improperly locked memory in Remote Desktop Gateway Service allows an unauthorized attacker to deny service over a network.

Integer underflow (wrap or wraparound) in Windows Kernel allows an unauthorized attacker to disclose information over an adjacent network.

Use of uninitialized resource in Windows Trusted Runtime Interface Driver allows an authorized attacker to disclose information locally.

Improper link resolution before file access ('link following') in Windows Installer allows an authorized attacker to disclose information locally.

Insufficient granularity of access control in Visual Studio allows an authorized attacker to disclose information locally.

Buffer over-read in Windows SMB allows an authorized attacker to disclose information over a network.

Out-of-bounds read in Windows File Server allows an unauthorized attacker to disclose information locally.

Authentication bypass by assumed-immutable data in Azure DevOps allows an unauthorized attacker to elevate privileges over a network.

Improper authorization in Azure Automation allows an authorized attacker to elevate privileges over a network.

Server-side request forgery (ssrf) in Azure Storage Resource Provider allows an authorized attacker to perform spoofing over a network.

Improper access control in Azure allows an unauthorized attacker to disclose information over a network.

Improper access control in Azure File Sync allows an authorized attacker to elevate privileges locally.

Improper privilege management in Microsoft Office SharePoint allows an authorized attacker to elevate privileges locally.

Deserialization of untrusted data in Microsoft Office SharePoint allows an unauthorized attacker to execute code locally.

Deserialization of untrusted data in Microsoft Office SharePoint allows an unauthorized attacker to execute code locally.

Deserialization of untrusted data in Microsoft Office SharePoint allows an unauthorized attacker to execute code locally.

Incorrect handle provided in unspecified circumstances in Mojo in Google Chrome on Windows prior to 136.0.7103.113 allowed a remote attacker to potentially perform a sandbox escape via a malicious file.

Insufficient policy enforcement in Loader in Google Chrome prior to 136.0.7103.113 allowed a remote attacker to leak cross-origin data via a crafted HTML page.

Use after free in WebAudio in Google Chrome prior to 136.0.7103.92 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

Improper access control in Microsoft Defender for Endpoint allows an authorized attacker to elevate privileges locally.

External control of file name or path in Microsoft Defender for Endpoint allows an authorized attacker to elevate privileges locally.

Improper authentication in Microsoft Defender for Identity allows an unauthorized attacker to perform spoofing over an adjacent network.

Publicly disclosed

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.

External control of file name or path in .NET, Visual Studio, and Build Tools for Visual Studio allows an authorized attacker to perform spoofing over a network.