CVE-2026-55013
Windows Remote Help Defense Spoofing Vulnerability
HIGH
7.1
CVSS Score
Published: August 20, 2026 at 09:45 PM UTC
Updated: October 21, 2026 at 08:53 PM UTC
1 product affected across 1 vendorWindows Remote Help
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Severity
HIGH7.1
Exploit prediction
EPSS 0.5%
SSVC
No known exploit
Description
Uncontrolled search path element in Windows Remote Help Defense allows an authorized attacker to perform spoofing locally.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
v < 5.2.1040.05.0.0.0
Affected range stops below 5.2.1040.0, so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (1)
Vendor AdvisoryPatch
Source: cverecord
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-55013SSVC — Action Prioritization
SSVCNo known exploitNot automatableTotal impact
SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.
CVSS
7.1HIGHmicrosoft
Vector?
Quick Info
StatusANALYZED
CWE
CWE-427
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