Patch Tuesday – May 2025
- Triumvirate Cyber
- May 13
- 2 min read
Updated: May 14
Guess what? It's gonna be [Patch Tuesday for the month of] May! 🍜 Microsoft has published its monthly updates for May 2025, including patches for 76 vulnerabilities with 9 rated as Critical. Read on to review the details of this month’s patches!
Happy Patch Tuesday! On May 13, 2025, Microsoft released security updates for 76 vulnerabilities across 46 products. 9 of the vulnerabilities were rated as Critical and 67 were rated as Important. This month's patch breakdown is provided below.
5/14 UPDATE: CISA has added five of the patched vulnerabilities to its Known Exploited Vulnerabilities Catalog based on evidence of active exploitation:
System administrators should prioritize addressing these actively-exploited vulnerabilities within their IT environments. |
Patch Tuesday May 2025: Security Updates
Critical | # of Vulnerabilities |
Azure Automation | 1 |
Azure DevOps | 1 |
Azure Storage Resource Provider | 1 |
Microsoft Office | 2 |
Remote Desktop Gateway Service | 1 |
Windows Remote Desktop | 1 |
Windows Remote Desktop Services | 1 |
Windows Virtual Machine Bus | 1 |
Important | # of Vulnerabilities |
.NET, Visual Studio, and Build Tools for Visual Studio | 1 |
Active Directory Certificate Services (AD CS) | 1 |
Azure | 1 |
Azure File Sync | 1 |
Microsoft Brokering File System | 1 |
Microsoft Dataverse | 1 |
Microsoft Defender for Endpoint | 1 |
Microsoft Defender for Identity | 1 |
Microsoft Office | 1 |
Microsoft Office Excel | 9 |
Microsoft Office Outlook | 1 |
Microsoft Office PowerPoint | 1 |
Microsoft Office SharePoint | 4 |
Microsoft PC Manager | 1 |
Microsoft Scripting Engine | 1 |
Remote Desktop Gateway Service | 3 |
Role: Windows Hyper-V | 1 |
Universal Print Management Service | 1 |
UrlMon | 1 |
Visual Studio | 2 |
Visual Studio Code | 1 |
Web Threat Defense (WTD.sys) | 1 |
Windows Ancillary Function Driver for WinSock | 1 |
Windows Common Log File System Driver | 3 |
Windows Deployment Services | 1 |
Windows Drivers | 1 |
Windows DWM | 1 |
Windows File Server | 1 |
Windows Fundamentals | 1 |
Windows Hardware Lab Kit | 1 |
Windows Installer | 1 |
Windows Kernel | 2 |
Windows LDAP - Lightweight Directory Access Protocol | 1 |
Windows Media | 4 |
Windows NTFS | 1 |
Windows Routing and Remote Access Service (RRAS) | 8 |
Windows Secure Kernel Mode | 1 |
Windows SMB | 1 |
Windows Trusted Runtime Interface Driver | 1 |
Windows Win32K - GRFX | 1 |
As always, you can find more information on the specifics via the MSRC Security Update Guide at https://msrc.microsoft.com/update-guide/
