Microsoft Windows Vulnerability
Microsoft Windows contains a buffer overflow vulnerability in the Windows Server Service that allows remote attackers to execute arbitrary code via a crafted RPC request that triggers an overflow during path canonicalization.
CVSS Score
9.8
CRITICAL
Published
20 May 2026 00:00
Modified
N/A
Vendor
Microsoft
Product
Windows
Source
CIRCL
Affected Versions
Fix
Vendor Patch / Mitigation Available
Weaknesses (CWE)
CWE-94
Affected Systems
Microsoft
Windows
Microsoft
Windows Ancillary Function Driver For WinSock
SharePoint
Active Directory Federation Services
SharePoint Server
Windows
DirectX
Internet Explorer
Defender
Microsoft
Office
Visual Basic For Applications (VBA)
External Links
KEV Status
Known Exploited Vulnerability