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CVE-2025-21391

🔥 Known Exploited (CISA KEV)HIGH
7.1
CVSS Severity Score
EPSS Score0.0000%
EPSS Percentile0.00th
Published2025-02-11
Last Modified2026-06-17
Data SourcesNVDCISA KEV

Vulnerability Description

Windows Storage Elevation of Privilege Vulnerability

Affected Platforms (CPE)

💻
Microsoft

Windows 10 1507

< 10.0.10240.20915
💻
Microsoft

Windows 10 1607

< 10.0.14393.7785
💻
Microsoft

Windows 10 1809

< 10.0.17763.6893
💻
Microsoft

Windows 10 21h2

< 10.0.19044.5487

References & Advisories

🔗 https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21391
🔗 https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-21391

Related Security Intelligence Articles

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Global Cyber Intel Digest: July 24, 2026

This digest covers active exploitation of Check Point CVE-2026-16232 SmartConsole authentication bypass, Russian LAUNDRY BEAR targeting Zimbra vulnerabilities, malicious Claude Desktop ad campaigns deploying SectopRAT, and Chaos ransomware msaRAT operations.

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