CVSS v3
7.8
HIGH
EPSS Score
2.7 %
exploit probability
CISA KEV
Yes
known exploited
Exploitation
—
SSVC status
Description
Use after free in Windows Cloud Files Mini Filter Driver allows an authorized attacker to elevate privileges locally.
CISA Known Exploited Vulnerability
- Date Added
- 2025-12-09
- Patch Due Date
- 2025-12-30
- Ransomware Use
- Unknown
Technical details
- Published
- 2025-12-09
Frequently asked questions
What is CVE-2025-62221?
Use after free in Windows Cloud Files Mini Filter Driver allows an authorized attacker to elevate privileges locally.
Is CVE-2025-62221 actively exploited?
Yes. CVE-2025-62221 is on the CISA Known Exploited Vulnerabilities (KEV) catalog, meaning it has been confirmed as actively exploited in the wild. CISA requires federal agencies to patch by 2025-12-30.
What is the CVSS score for CVE-2025-62221?
CVE-2025-62221 has a CVSS v3 base score of 7.8 (HIGH severity).
Is CVE-2025-62221 affecting your environment?
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