What is CVE-2026-55013?

CVE-2026-55013 is a security advisory published by Microsoft Security Response Center (MSRC) with High severity. Windows Remote Help Defense Spoofing Vulnerability

Which CVE IDs does CVE-2026-55013 cover?

CVE-2026-55013 covers the following CVE IDs: CVE-2026-55013. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of CVE-2026-55013?

CVE-2026-55013 has a CVSS v3 base score of 7.1, published by Microsoft Security Response Center (MSRC).

Which products are affected by CVE-2026-55013?

CVE-2026-55013 affects 1 product, including: Windows Remote Help.

CVE-2026-55013HighCVSS 7.1

Windows Remote Help Defense Spoofing Vulnerability

Vendor

Microsoft Security Response Center (MSRC)

Published

August 20, 2026

Last Modified

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🔗 CVE IDs covered (1)

CVE-2026-55013 →

📋 Description

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

🎯 Affected products1

Windows Remote Help

✅ Remediation

KBRelease Notes (Security Update) — fixed build 5.2.1040.0

🔗 References (3)

advisoryhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-55013
patchhttps://catalog.update.microsoft.com/ScopedViewInline.aspx?updateid=21a0ea07-2ef5-4be7-b621-07b8f1b3538e
referencehttps://learn.microsoft.com/en-us/intune/remote-help/?tabs=windows