What is CVE-2021-26900?

CVE-2021-26900 is a security advisory published by Microsoft Security Response Center (MSRC) with High severity. Windows Win32k Elevation of Privilege Vulnerability

Which CVE IDs does CVE-2021-26900 cover?

CVE-2021-26900 covers the following CVE IDs: CVE-2021-26900. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of CVE-2021-26900?

CVE-2021-26900 has a CVSS v3 base score of 7.8, published by Microsoft Security Response Center (MSRC).

Which products are affected by CVE-2021-26900?

CVE-2021-26900 affects 11 products, including: Windows 10 Version 1909 for 32-bit Systems; Windows 10 Version 1909 for ARM64-based Systems; Windows 10 Version 1909 for x64-based Systems; Windows 10 Version 2004 for 32-bit Systems; Windows 10 Version 2004 for ARM64-based Systems; and others — see the full list on the advisory page.

CVE-2021-26900HighCVSS 7.8

Windows Win32k Elevation of Privilege Vulnerability

Vendor

Microsoft Security Response Center (MSRC)

Published

March 9, 2021

Last Modified

—

🔗 CVE IDs covered (1)

CVE-2021-26900 →

🎯 Affected products11

Windows 10 Version 1909 for 32-bit Systems
Windows 10 Version 1909 for ARM64-based Systems
Windows 10 Version 1909 for x64-based Systems
Windows 10 Version 2004 for 32-bit Systems
Windows 10 Version 2004 for ARM64-based Systems
Windows 10 Version 2004 for x64-based Systems
Windows 10 Version 20H2 for 32-bit Systems
Windows 10 Version 20H2 for ARM64-based Systems
Windows Server, version 1909 (Server Core installation)
Windows Server, version 2004 (Server Core installation)
Windows Server, version 20H2 (Server Core Installation)

✅ Remediation

KB5000808 (Security Update) — fixed build 10.0.18363.1440 KB5000802 (Security Update) — fixed build 10.0.19043.867

🔗 References (5)

advisoryhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-26900
patchhttps://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB5000808
referencehttps://support.microsoft.com/help/5000808
patchhttps://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB5000802
referencehttps://support.microsoft.com/help/5000802