CVE-2025-21420

Windows Disk Cleanup Tool Elevation of Privilege Vulnerability

CVSS v3.1

7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS

3.63% chance of exploitation in the next 30 days, 89th percentile

Published

2025-02-11

Updated

2026-02-13

Proof-of-concept exploits (2)

• moiz-2x/CVE-2025-21420_POC56★ · 2025-06-12
• Dmitri131313/CVE-2025-21420-PoC

References

• CVE Record
• NVD entry

Related

• CVE-2025-24990
• CVE-2012-1823
• CVE-2021-2291
• CVE-2025-21399
• CVE-2025-2147
• CVE-2025-21385