1. Home
  2. CVE Database
  3. CVE-2025-55679
MEDIUM · 5.1

CVE-2025-55679

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

Vulnerability Description

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

CVSS Score

5.1

MEDIUM

CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE

Affected Products

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

Related Weaknesses (CWE)

CWE-20CWE-200

References

FAQ

What is CVE-2025-55679?

CVE-2025-55679 is a vulnerability with a CVSS score of 5.1 (MEDIUM). Improper input validation in Windows Kernel allows an unauthorized attacker to disclose information locally.

How severe is CVE-2025-55679?

CVE-2025-55679 has been rated MEDIUM with a CVSS base score of 5.1/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2025-55679?

Check the references section above for vendor advisories and patch information. Affected products include: Microsoft Windows 10 1809, Microsoft Windows 10 21H2, Microsoft Windows 10 22H2, Microsoft Windows 11 22H2, Microsoft Windows 11 23H2.