Microsoft Windows Vulnerability
Microsoft Windows Shell contains a protection mechanism failure vulnerability that allows an unauthorized attacker to perform spoofing over a network.
CVSS Score
9.8
CRITICAL
Published
28 Apr 2026 00:00
Modified
N/A
Vendor
Microsoft
Product
Windows
Source
CIRCL
Affected Versions
Fix
Vendor Patch / Mitigation Available
Weaknesses (CWE)
CWE-693
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