CVE-2025-24991: Microsoft Windows NTFS Out-Of-Bounds Read Vulnerability

CVE-2025-24991 · Severity: critical · CVSS 5.5 · Exploited in the wild · Published 2025-03-11

Microsoft Windows NTFS contains an out-of-bounds read vulnerability that allows an authorized attacker to disclose information locally. The flaw exists within the New Technology File System (NTFS) and requires user interaction to exploit.

Technologies: Microsoft Windows. Vendors: Microsoft.

Quick answers

Is CVE-2025-24991 exploited in the wild?
Yes. CVE-2025-24991 is known to be exploited in the wild, first recorded on 11 March 2025. Treat it as urgent.
How severe is CVE-2025-24991?
Critical severity, with a CVSS score of 5.5, published 11 March 2025.
Which products and versions are affected?
Microsoft Windows 10 up to (excluding) 10.0.10240.20947, 10.0.14393.7876, 10.0.17763.7009, 10.0.19044.5608, 10.0.19045.5608; Microsoft Windows Server 2008 SP2, R2 SP1; Microsoft Windows Server 2012 R2; Microsoft Windows Server 2016 up to (excluding) 10.0.14393.7876; and 3 more.
Is there a fix for CVE-2025-24991?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
How is CVE-2025-24991 attacked?
It is attacked with local access, in an operating system.
Am I affected by CVE-2025-24991?
Check whether you run Microsoft Windows. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

Affected products

  • Microsoft Windows 10 up to (excluding) 10.0.10240.20947, 10.0.14393.7876, 10.0.17763.7009, 10.0.19044.5608, 10.0.19045.5608
  • Microsoft Windows Server 2008 SP2, R2 SP1
  • Microsoft Windows Server 2012 R2
  • Microsoft Windows Server 2016 up to (excluding) 10.0.14393.7876
  • Microsoft Windows Server 2019 up to (excluding) 10.0.17763.7009
  • Microsoft Windows Server 2022 23H2 up to (excluding) 10.0.25398.1486
  • Microsoft Windows Server 2025 up to (excluding) 10.0.26100.3403

Timeline

  • 2025-03-11: disclosed
  • 2025-03-11: advisory
  • 2025-03-11: kev added: Added to CISA KEV catalog
  • 2025-03-11: exploited: Reported as exploited in the wild at time of publication.

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