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HIGH CISA KEV

CVE-2025-62221

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?

Use isMalicious to check if any of your IPs or domains are associated with this vulnerability's IOCs.

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