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Known exploited vulnerability

CVE-2025-29824

highCVSS 3.1 7.8In CISA KEVRansomwareEPSS 19%Published · Microsoft

The short answer

CVE-2025-29824 affects Microsoft Windows 10 Version 1507 and is rated high (CVSS 7.8). CISA added it to the Known Exploited Vulnerabilities catalog on 2025-04-08: attackers are using it, so patch it first.

What it is

Use after free in Windows Common Log File System Driver allows an authorized attacker to elevate privileges locally.

Weakness: CWE-416.

Severity

7.8 high

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

Exploited (CISA KEV)

Yes, since Apr 8, 2025

Federal due date Apr 29, 2025

EPSS, next 30 days

19%

Higher than 97% of scored CVEs

How it can be exploited

Attack vector
Local
Attack complexity
Low
Privileges required
Low
User interaction
None
Scope
Unchanged
Confidentiality impact
High
Integrity impact
High
Availability impact
High

What CISA says to do

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Affected products

Windows 10 Version 1507, Windows 10 Version 1607, Windows 10 Version 1809, Windows 10 Version 21H2, Windows 10 Version 22H2, Windows 11 version 22H2, Windows 11 version 22H3, Windows 11 Version 23H2, Windows 11 Version 24H2, Windows Server 2008 R2 Service Pack 1, Windows Server 2008 R2 Service Pack 1 (Server Core installation), Windows Server 2008 Service Pack 2. NVD's record lists the exact affected versions.

References

Questions

Is CVE-2025-29824 being exploited?

Yes. CISA added CVE-2025-29824 to its Known Exploited Vulnerabilities catalog on 2025-04-08, with a federal remediation due date of 2025-04-29. CISA lists it as used in ransomware campaigns.

How do I fix CVE-2025-29824?

CISA's required action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

From NVD, CISA KEV, FIRST EPSS and OSV.dev, checked . Status on NVD: Analyzed. The description is NVD's text, quoted as published.

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