Insecure DLL loading in Windows Remote Help - CVE-2026-55013

 

Insecure DLL loading in Windows Remote Help - CVE-2026-55013

Published: August 21, 2026


Vulnerability identifier: #VU144541
CSH Severity: Low
CVSS v4: 8.4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-55013
CWE-ID: CWE-427
Exploitation vector: Local access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a local user to perform spoofing.

The vulnerability exists due to uncontrolled search path element in Windows Remote Help Defense when loading resources from the search path. A local user can place a malicious file in a searched location to perform spoofing.


Affected software

Windows Remote Help

How to mitigate CVE-2026-55013

Install security update from vendor's website.

Windows Remote Help - update to 5.2.1040.0

External References

Related Security Bulletins