SB2026010791 - Privilege escalation in Nessus Agent
Published: January 7, 2026
Security Bulletin ID
SB2026010791
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) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2025-36640)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to improperly imposed security restrictions in the installation/uninstallation of the Nessus Agent Tray App on Windows Hosts. A local user can execute arbitrary code with elevated privileges.
Remediation
Install update from vendor's website.