SB2026031339 - Privilege escalation in Intel Processor stream cache mechanisms
Published: March 13, 2026
Security Bulletin ID
SB2026031339
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) Improper isolation or compartmentalization (CVE-ID: CVE-2025-20109)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to improper isolation in the stream cache mechanism. A local user can execute arbitrary code with elevated privileges.
Remediation
Install update from vendor's website.