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Description

Improper input validation in Windows Kerberos allows an authorized attacker to elevate privileges over a network.

PUBLISHED Reserved 2025-02-12 | Published 2025-04-08 | Updated 2026-02-13 | Assigner microsoft




HIGH: 8.8CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

Problem types

CWE-20: Improper Input Validation

Product status

6.1.7601.0 (custom) before 6.1.7601.27670
affected

6.1.7601.0 (custom) before 6.1.7601.27670
affected

6.0.6003.0 (custom) before 6.0.6003.23220
affected

6.0.6003.0 (custom) before 6.0.6003.23220
affected

6.2.9200.0 (custom) before 6.2.9200.25423
affected

6.2.9200.0 (custom) before 6.2.9200.25423
affected

6.3.9600.0 (custom) before 6.3.9600.22523
affected

6.3.9600.0 (custom) before 6.3.9600.22523
affected

10.0.14393.0 (custom) before 10.0.14393.7969
affected

10.0.14393.0 (custom) before 10.0.14393.7969
affected

10.0.17763.0 (custom) before 10.0.17763.7136
affected

10.0.17763.0 (custom) before 10.0.17763.7136
affected

10.0.20348.0 (custom) before 10.0.20348.3453
affected

10.0.25398.0 (custom) before 10.0.25398.1551
affected

10.0.26100.0 (custom) before 10.0.26100.3775
affected

10.0.26100.0 (custom) before 10.0.26100.3775
affected

References

msrc.microsoft.com/update-guide/vulnerability/CVE-2025-26647 (Windows Kerberos Elevation of Privilege Vulnerability) vendor-advisory patch

cve.org (CVE-2025-26647)

nvd.nist.gov (CVE-2025-26647)

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