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CVE-2025-55679

MEDIUMCVSS 4.7/10EPSS 0.42%

Last modified

CVE-2025-55679 is a medium-severity vulnerability rated 4.7/10 on the CVSS scale. Improper input validation in Windows Kernel allows an unauthorized attacker to disclose information locally.. EPSS estimates a 0.42% chance of exploitation in the next 30 days.

Description

Improper input validation in Windows Kernel allows an unauthorized attacker to disclose information locally.

Metrics

CVSS 3.1
4.7/10

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

EPSS Probability
0.42%

33.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
MicrosoftWindows 10 1809< 10.0.17763.7919
MicrosoftWindows 10 21h2< 10.0.19044.6456
MicrosoftWindows 10 22h2< 10.0.19045.6456
MicrosoftWindows 11 22h2< 10.0.22621.6060
MicrosoftWindows 11 23h2< 10.0.22631.6060
MicrosoftWindows 11 24h2< 10.0.26100.6899
MicrosoftWindows 11 25h2< 10.0.26200.6899
MicrosoftWindows Server 2019< 10.0.17763.7919
MicrosoftWindows Server 2022< 10.0.20348.4294
MicrosoftWindows Server 2022 23h2< 10.0.25398.1913
MicrosoftWindows Server 2025< 10.0.26100.6899

References

Timeline

Published
Last Modified
Status
Analyzed

Frequently Asked Questions

What is CVE-2025-55679?
Improper input validation in Windows Kernel allows an unauthorized attacker to disclose information locally.
How severe is CVE-2025-55679?
CVE-2025-55679 has a CVSS score of 4.7/10 (MEDIUM severity). The EPSS model estimates a 0.42% probability of exploitation in the next 30 days.
How do I fix CVE-2025-55679?
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-2025-55679?

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

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Source: NVD / NIST