CVE-2025-24991

MEDIUMCVSS 5.5/10Actively ExploitedEPSS 1.85%

Last modified

CVE-2025-24991 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. Out-of-bounds read in Windows NTFS allows an authorized attacker to disclose information locally.. CISA has confirmed active exploitation in the wild. EPSS estimates a 1.85% chance of exploitation in the next 30 days.

Description

Out-of-bounds read in Windows NTFS allows an authorized attacker to disclose information locally.

Metrics

CVSS 3.1
5.5/10

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

EPSS Probability
1.85%

76.4th percentile

Probability of exploitation in the next 30 days. Learn more

Exploitation Status

This vulnerability is listed in CISA’s Known Exploited Vulnerabilities catalog, confirming active exploitation in the wild. Federal agencies must remediate by .

Weakness Enumeration

Affected Software

VendorProductVersionsUpdate
MicrosoftWindows 10 1507< 10.0.10240.20947
MicrosoftWindows 10 1607< 10.0.14393.7876
MicrosoftWindows 10 1809< 10.0.17763.7009
MicrosoftWindows 10 21h2< 10.0.19044.5608
MicrosoftWindows 10 22h2< 10.0.19045.5608
MicrosoftWindows 11 22h2< 10.0.22621.5039
MicrosoftWindows 11 23h2< 10.0.22631.5039
MicrosoftWindows 11 24h2< 10.0.26100.3403
MicrosoftWindows Server 2008All versionsSp2
MicrosoftWindows Server 2008r2Sp1
MicrosoftWindows Server 2012All versions
MicrosoftWindows Server 2012r2
MicrosoftWindows Server 2016< 10.0.14393.7876
MicrosoftWindows Server 2019< 10.0.17763.7009
MicrosoftWindows Server 2022< 10.0.20348.3270
MicrosoftWindows Server 2022 23h2< 10.0.25398.1486
MicrosoftWindows Server 2025< 10.0.26100.3403

References

Timeline

Published
Last Modified
Status
Analyzed

Frequently Asked Questions

What is CVE-2025-24991?
Out-of-bounds read in Windows NTFS allows an authorized attacker to disclose information locally.
How severe is CVE-2025-24991?
CVE-2025-24991 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 1.85% probability of exploitation in the next 30 days. This vulnerability is listed in CISA's Known Exploited Vulnerabilities catalog.
How do I fix CVE-2025-24991?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-24991?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST