High MSRC-CVE-2021-26863 1 CVE

Windows Win32k Elevation of Privilege Vulnerability

Published Mar 9, 2021 · Updated Mar 9, 2021

Vendor: Microsoft

Summary

Impact: Elevation of Privilege. Microsoft rating: Important. Not known to be exploited — Exploitation More Likely. Customer action: Required.

Details

Security updates
10.0.17134.2087 — https://support.microsoft.com/help/5000809
10.0.17763.1817 — https://support.microsoft.com/help/5000822
10.0.18363.1440 — https://support.microsoft.com/help/5000808
10.0.19043.867 — https://support.microsoft.com/help/5000802

Vulnerabilities 1

High 7.0

CVE-2021-26863 EPSS 12%

Windows Win32k Elevation of Privilege Vulnerability

Windows Win32k Elevation of Privilege Vulnerability

Microsoft Windows Server 2019 Windows Server 2019 (Server Core installation) Windows 10 Version 1809 Windows

Mar 11, 2021

Revision history

2021-03-09 #1
Information published.

References

CVE-2021-26863 Windows Win32k Elevation of Privilege Vulnerability - HTML
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-26863
Microsoft Exploitability Index
https://www.microsoft.com/en-us/msrc/exploitability-index?rtc=1
Microsoft Support Lifecycle
https://support.microsoft.com/lifecycle
Common Vulnerability Scoring System
https://www.first.org/cvss