What is CVE-2026-55013?

CVE-2026-55013 is a high-severity vulnerability in Microsoft Windows Remote Help, classified under Uncontrolled Search Path Element. CVSS score: 7.1/10. Published 2026-08-20.

How severe is CVE-2026-55013?

High severity. CVSS v3 base score is 7.1 out of 10.

Vulnerability in Microsoft Windows Remote Help

CVE-2026-55013

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

CVSS v3 metric

CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N.

Affected products

Microsoft Windows Remote Help

Weakness classification (CWE)

CWE-427 — Uncontrolled Search Path Element

References

secure@microsoft.com (vendor-advisory, patch)

Frequently asked questions

What is CVE-2026-55013?: CVE-2026-55013 is a high-severity vulnerability in Microsoft Windows Remote Help, classified under Uncontrolled Search Path Element. CVSS score: 7.1/10. Published 2026-08-20.
How severe is CVE-2026-55013?: High severity. CVSS v3 base score is 7.1 out of 10.