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Description

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

PUBLISHED Reserved 2025-08-13 | Published 2025-10-14 | Updated 2025-11-22 | Assigner microsoft




MEDIUM: 5.1CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C

Problem types

CWE-20: Improper Input Validation

CWE-200: Exposure of Sensitive Information to an Unauthorized Actor

Product status

10.0.26200.0 (custom) before 10.0.26200.6899
affected

10.0.17763.0 (custom) before 10.0.17763.7919
affected

10.0.17763.0 (custom) before 10.0.17763.7919
affected

10.0.17763.0 (custom) before 10.0.17763.7919
affected

10.0.20348.0 (custom) before 10.0.20348.4294
affected

10.0.19044.0 (custom) before 10.0.19044.6456
affected

10.0.22621.0 (custom) before 10.0.22621.6060
affected

10.0.19045.0 (custom) before 10.0.19045.6456
affected

10.0.26100.0 (custom) before 10.0.26100.6899
affected

10.0.22631.0 (custom) before 10.0.22631.6060
affected

10.0.22631.0 (custom) before 10.0.22631.6060
affected

10.0.25398.0 (custom) before 10.0.25398.1913
affected

10.0.26100.0 (custom) before 10.0.26100.6899
affected

10.0.26100.0 (custom) before 10.0.26100.6899
affected

References

msrc.microsoft.com/update-guide/vulnerability/CVE-2025-55679 (Windows Kernel Information Disclosure Vulnerability) vendor-advisory

cve.org (CVE-2025-55679)

nvd.nist.gov (CVE-2025-55679)

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