CVE-2025-29824: Microsoft Windows Common Log File System (CLFS) Driver Use-After-Free Vulnerability

Published Apr 8, 2025
·
Updated

Microsoft Windows Common Log File System (CLFS) Driver contains a use-after-free vulnerability that allows an authorized attacker to elevate privileges locally.

Other sources

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

— Microsoft

Windows Common Log File System Driver Elevation of Privilege Vulnerability

— Microsoft

Affected Software

65 affected componentsFixes available
Microsoft Windows
Microsoft Windows 10 1507<10.0.10240.20978
Microsoft Windows 10 1507<10.0.10240.20978
Microsoft Windows 10 1607<10.0.14393.7969
Microsoft Windows 10 1607<10.0.14393.7969
Microsoft Windows 10 1809<10.0.17763.7136
Microsoft Windows 10 1809<10.0.17763.7136
Microsoft Windows 10 21h2<10.0.19044.5737
Microsoft Windows 10 21h2<10.0.19044.5737
Microsoft Windows 10 21h2<10.0.19044.5737
Microsoft Windows 10 22h2<10.0.19045.5737
Microsoft Windows 10 22h2<10.0.19045.5737
Microsoft Windows 10 22h2<10.0.19045.5737
Microsoft Windows 11 22h2<10.0.22621.5189
Microsoft Windows 11 22h2<10.0.22621.5189
Microsoft Windows 11 23h2<10.0.22631.5189
Microsoft Windows 11 23h2<10.0.22631.5189
Microsoft Windows 11 24h2<10.0.26100.3775
Microsoft Windows 11 24h2<10.0.26100.3775
Microsoft Windows Server 2008=sp2
Microsoft Windows Server 2008=r2-sp1
Microsoft Windows Server 2012
Microsoft Windows Server 2012=r2
Microsoft Windows Server 2016<10.0.14393.7969
Microsoft Windows Server 2019<10.0.17763.7136
Microsoft Windows Server 2022<10.0.20348.3453
Microsoft Windows Server 2022 23h2<10.0.25398.1551
Microsoft Windows Server 2025<10.0.26100.3775
Microsoft Windows Server 2012 R2<6.3.9600.22523
6.3.9600.22523
Microsoft Windows Server 2012 R2<6.3.9600.22523
6.3.9600.22523
Microsoft Windows Server 2012<6.2.9200.25423
6.2.9200.25423
Microsoft Windows Server 2012<6.2.9200.25423
6.2.9200.25423
Microsoft Windows Server 2008<6.0.6003.23220
6.0.6003.23220
Microsoft Windows Server 2008 R2<6.1.7601.27670
6.1.7601.27670
Microsoft Windows Server 2008<6.0.6003.23220
6.0.6003.23220
Microsoft Windows Server 2008<6.0.6003.23220
6.0.6003.23220
Microsoft Windows Server 2008<6.0.6003.23220
6.0.6003.23220
Microsoft Windows Server 2008 R2<6.1.7601.27670
6.1.7601.27670
Microsoft Windows Server 2016<10.0.14393.7969
10.0.14393.7969
Microsoft Windows Server 2016<10.0.14393.7969
10.0.14393.7969
Microsoft Windows 10=1607
10.0.14393.7969
Microsoft Windows 10<10.0.10240.20978
10.0.10240.20978
Microsoft Windows 10=1607
10.0.14393.7969
Microsoft Windows Server 2025<10.0.26100.3775
10.0.26100.3775
Microsoft Windows 11=24H2
10.0.26100.3775
Microsoft Windows 11=24H2
10.0.26100.3775
Microsoft Windows 10<10.0.10240.20978
10.0.10240.20978
Microsoft Windows Server 2022, 23H2 Edition<10.0.25398.1551
10.0.25398.1551
Microsoft Windows 11=23H2
10.0.22631.5189
Microsoft Windows 11=23H2
10.0.22631.5189
Microsoft Windows Server 2025<10.0.26100.3775
10.0.26100.3775
Microsoft Windows 10=22H2
10.0.19045.5737
Microsoft Windows 10=22H2
10.0.19045.5737
Microsoft Windows 11=22H2
10.0.22621.5189
Microsoft Windows 10=21H2
10.0.19044.5737
Microsoft Windows 10=22H2
10.0.19045.5737
Microsoft Windows 11=22H2
10.0.22621.5189
Microsoft Windows 10=21H2
10.0.19044.5737
Microsoft Windows 10=21H2
10.0.19044.5737
Microsoft Windows Server 2022<10.0.20348.3453
10.0.20348.3453
Microsoft Windows Server 2022<10.0.20348.3453
10.0.20348.3453
Microsoft Windows Server 2019<10.0.17763.7136
10.0.17763.7136
Microsoft Windows 10=1809
10.0.17763.7136
Microsoft Windows 10=1809
10.0.17763.7136
Microsoft Windows Server 2019<10.0.17763.7136
10.0.17763.7136

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 6.3.9600.22523Patch KB5055557
  2. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 6.2.9200.25423Patch KB5055581
  3. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 6.0.6003.23220Patch KB5055596
  4. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 6.1.7601.27670Patch KB5055570
  5. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 10.0.14393.7969Patch KB5055521
  6. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 10.0.10240.20978Patch KB5055547
  7. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 10.0.26100.3775Patch KB5055523
  8. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 10.0.25398.1551Patch KB5055527
  9. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 10.0.22631.5189Patch KB5055528
  10. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 10.0.19045.5737Patch KB5055518
  11. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 10.0.22621.5189Patch KB5055528
  12. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 10.0.19044.5737Patch KB5055518
  13. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 10.0.20348.3453Patch KB5055526
  14. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 10.0.17763.7136Patch KB5055519
  15. Upgrade

    Upgrade Microsoft Windows Operating System to a version that resolves this vulnerability.

    Fixed in 10.0.10240.20978Patch KB5055547
  16. Upgrade

    Upgrade Microsoft Windows Operating System to a version that resolves this vulnerability.

    Fixed in 10.0.14393.7969Patch KB5055521
  17. Upgrade

    Upgrade Microsoft Windows Operating System to a version that resolves this vulnerability.

    Fixed in 10.0.17763.7136Patch KB5055519
  18. Upgrade

    Upgrade Microsoft Windows Operating System to a version that resolves this vulnerability.

    Fixed in 10.0.19044.5737Patch KB5055518
  19. Upgrade

    Upgrade Microsoft Windows Operating System to a version that resolves this vulnerability.

    Fixed in 10.0.19045.5737Patch KB5055518
  20. Upgrade

    Upgrade Microsoft Windows Operating System to a version that resolves this vulnerability.

    Fixed in 10.0.20348.3453Patch KB5055526
  21. Upgrade

    Upgrade Microsoft Windows Operating System to a version that resolves this vulnerability.

    Fixed in 10.0.22621.5189Patch KB5055528
  22. Upgrade

    Upgrade Microsoft Windows Operating System to a version that resolves this vulnerability.

    Fixed in 10.0.22631.5189Patch KB5055528
  23. Upgrade

    Upgrade Microsoft Windows Operating System to a version that resolves this vulnerability.

    Fixed in 10.0.25398.1551Patch KB5055527
  24. Upgrade

    Upgrade Microsoft Windows Operating System to a version that resolves this vulnerability.

    Fixed in 10.0.26100.3775Patch KB5055523
  25. Upgrade

    Upgrade Microsoft Windows Operating System to a version that resolves this vulnerability.

    Fixed in 6.0.6003.23220Patch KB5055596
  26. Upgrade

    Upgrade Microsoft Windows Operating System to a version that resolves this vulnerability.

    Fixed in 6.1.7601.27670Patch KB5055570
  27. Upgrade

    Upgrade Microsoft Windows Operating System to a version that resolves this vulnerability.

    Fixed in 6.2.9200.25423Patch KB5055581
  28. Upgrade

    Upgrade Microsoft Windows Operating System to a version that resolves this vulnerability.

    Fixed in 6.3.9600.22523Patch KB5055557
  29. Compensating control

    Follow applicable BOD 22-01 guidance for cloud services.

  30. Compensating control

    Discontinue use of the product if mitigations are unavailable.

Event History

Apr 8, 2025
CVE Published
via CISA·12:00 AM
Known Exploited
via CISA·12:00 AM
Known Ransomware
via CISA·12:00 AM
Data Sourced
via Microsoft·07:00 AM
DescriptionSeverityWeakness
Data Sourced
via Microsoft·07:00 AM
Affected Software
Updated
via Microsoft·07:00 AM
Affected Software
Updated
via Microsoft·07:00 AM
Description
CVE Published
via MITRE·05:23 PM
Data Sourced
via MITRE·05:23 PM
DescriptionSeverity
Data Sourced
via NVD·06:16 PM
DescriptionSeverityWeaknessAffected Software
News Published
via BleepingComputer·07:05 PM
News Published
via BleepingComputer·07:07 PM
News Published
via The Register·11:43 PM
News Published
via The Register·11:47 PM
Apr 9, 2025
News Published
via The Register·09:53 PM
May 7, 2025
News Published
via BleepingComputer·02:45 PM
May 14, 2025
News Published
via BleepingComputer·05:39 PM
Jun 10, 2025
News Published
via Dark Reading·09:56 PM
May 12, 2026
News Published
via Dark Reading·10:19 AM
Jun 23, 2026
News Published
via BleepingComputer·02:01 PM

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Frequently Asked Questions

1

What is the severity of CVE-2025-29824?

CVE-2025-29824 is classified as a critical vulnerability due to its potential for privilege escalation.

2

How do I fix CVE-2025-29824?

To remediate CVE-2025-29824, users should apply the latest security patches provided by Microsoft for their specific Windows version.

3

Which Windows versions are affected by CVE-2025-29824?

CVE-2025-29824 affects various versions of Windows including Windows Server 2008, Windows 10, and Windows 11.

4

Can CVE-2025-29824 be exploited remotely?

No, CVE-2025-29824 requires local access for exploitation, limiting its threat to users with physical or authenticated access.

5

What are the risks of CVE-2025-29824 if left unpatched?

If left unpatched, CVE-2025-29824 can allow an authorized attacker to gain elevated privileges, potentially compromising system security.

Company

Resources

Contact

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CVE-2025-29824 - Microsoft Windows Common Log File System (CLFS) Driver Use-After-Free Vulnerability - SecAlerts