SB2026041532 - Privilege escalation in Microsoft Windows Kerberos
Published: April 15, 2026
Security Bulletin ID
SB2026041532
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Adjecent network
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Improper Authorization (CVE-ID: CVE-2026-27912)
The vulnerability allows a remote attacker to bypass authorization checks.
The vulnerability exists due to insufficient authorization controls in Windows Kerberos. A remote user on the local network can gain elevated privileges on the target system.
Remediation
Install update from vendor's website.