SB2025081352 - Privilege escalation in Microsoft Windows Kerberos
Published: August 13, 2025 Updated: November 28, 2025
Security Bulletin ID
SB2025081352
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Path traversal (CVE-ID: CVE-2025-53779)
CWE-ID: CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/U:Clear
The vulnerability allows a remote user to perform directory traversal attacks.
The vulnerability exists due to input validation error when processing directory traversal sequences in Windows Kerberos. A remote administrator can gain elevated privileges on the target system.
Remediation
Install update from vendor's website.