Windows Disk Cleanup Tool Elevation of Privilege Vulnerability
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Score 7.8 from GitHub Security Advisory (severity: HIGH) published 2025-02-11. NVD baseline CVSS 7.8; sources differ by 0.0.
Windows Disk Cleanup Tool Elevation of Privilege Vulnerability
February 11, 2025
February 14, 2025
These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
Working exploit code is in the public domain (2 GitHub PoCs). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.
Proof of Concept CVE-2025-21420 (Windows Disk Cleanup Tool EoP)
Open source ↗Exploiting a vulnerability in Windows Disk Cleanup to elevate privileges and provide access to protected data in Edge by bypassing the security feature. CVE-2025-21420 and CVE-2025-21401.
Open source ↗Explore the affected products and dependency analysis for CVE-2025-21420
EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.
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