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CVE-2021-28310

Known Exploited (CISA KEV)HIGH
7.8
CVSS Severity Score
EPSS Score94.1980%
EPSS Percentile86.27th
PublishedApr 13, 2021
Last ModifiedOct 30, 2025

Vulnerability Description

Win32k Elevation of Privilege Vulnerability

Affected Platforms (CPE)

💻
Microsoft

Windows 10 1803

All versions
💻
Microsoft

Windows 10 1809

All versions
💻
Microsoft

Windows 10 1909

All versions
💻
Microsoft

Windows 10 2004

All versions
💻
Microsoft

Windows 10 20h2

All versions
💻
Microsoft

Windows Server 1909

All versions
💻
Microsoft

Windows Server 2004

All versions
💻
Microsoft

Windows Server 2019

All versions
💻
Microsoft

Windows Server 20h2

All versions

References & Advisories

🔗 https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-28310
🔗 https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-28310
🔗 https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-28310

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