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CVE-2021-40450

Known Exploited (CISA KEV)HIGH

7.8

CVSS Severity Score

EPSS Score72.3020%

EPSS Percentile91.14th

Published2021年10月13日

Last Modified2025年10月30日

Vulnerability Description

Win32k Elevation of Privilege Vulnerability

Affected Platforms (CPE)

💻

Microsoft

Windows 10 1809

< 10.0.17763.2237

💻

Microsoft

Windows 10 1909

< 10.0.18363.1854

💻

Microsoft

Windows 10 2004

< 10.0.19041.1288

💻

Microsoft

Windows 10 20h2

< 10.0.19042.1288

💻

Microsoft

Windows 10 21h1

< 10.0.19043.1288

💻

Microsoft

Windows 11 21h2

< 10.0.22000.258

💻

Microsoft

Windows Server 2004

< 10.0.19041.1288

💻

Microsoft

Windows Server 2019

< 10.0.17763.2237

💻

Microsoft

Windows Server 2022

< 10.0.20348.288

💻

Microsoft

Windows Server 20h2

< 10.0.19042.1288

References & Advisories

🔗 https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-40450

🔗 https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-40450

🔗 https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-40450

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