SB2026011382 - Information disclosure in Microsoft Remote Procedure Call
Published: January 13, 2026
Security Bulletin ID
SB2026011382
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Information disclosure
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Information disclosure (CVE-ID: CVE-2026-20821)
The vulnerability allows a local attacker to gain access to potentially sensitive information.
The vulnerability exists due to excessive data output by the application in Remote Procedure Call. A local attacker can gain unauthorized access to sensitive information on the system.
Remediation
Install update from vendor's website.