SB2026041547 - Privilege escalation in Microsoft PowerShell
Published: April 15, 2026
Security Bulletin ID
SB2026041547
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Input validation error (CVE-ID: CVE-2026-26170)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to insufficient validation of user-supplied input in PowerShell. A local user can pass specially crafted input to the application and gain elevated privileges on the target system.
Remediation
Install update from vendor's website.