SB20260414141 - Privilege escalation in Microsoft Remote Access Management service/API (RPC server)
Published: April 14, 2026
Security Bulletin ID
SB20260414141
CSH 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 vulnerability.
1) Improper access control (CVE-ID: CVE-2026-26183)
CWE-ID: CWE-284 - Improper Access Control
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a local user to gain unauthorized access to otherwise restricted functionality.
The vulnerability exists due to improper access restrictions in Remote Access Management service/API (RPC server). A local user can bypass implemented security restrictions and gain elevated privileges on the system.
Remediation
Install update from vendor's website.