CVE-2026-55013

HIGH CVSS 3.1: 7.1 EPSS 0.23%
Updated Aug 22, 2026
Microsoft
Parameter Value
CVSS 7.1 (HIGH)
Affected Versions 5.0.0.0 — 5.2.1040.0
Fixed In 5.2.1040.0
Type CWE-427 (Uncontrolled Search Path Element)
Vendor Microsoft
Public PoC No

Uncontrolled search path element in Windows Remote Help Defense allows an authorized attacker to perform spoofing locally.

Attack Parameters

Attack Vector
Local
Requires local access
Attack Complexity
Low
Easy to exploit
Privileges Required
Low
Basic privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
High
Complete data leak
Integrity
High
Complete data modification
Availability
None
No disruption

CVSS Vector v3.1

Vulnerable Products 1

Configuration From (including) Up to (excluding)
Microsoft Windows-Remote-Help
cpe:2.3:a:microsoft:windows-remote-help:*:*:*:*:*:*:*:*
5.0.0.0 5.2.1040.0