GCVE-110-NCSC-2026-165

Advisory PublishedCVSS 6.8/10

Vulnetix · Advisory published May 20, 2026

Microsoft has acknowledged a Windows security feature bypass vulnerability named 'YellowKey' with a public proof of concept and issued a CVE to provide mitigation guidance pending a security update.

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Weaknesses (CWE)

CWE-77Improper Neutralization of Special Elements used in a Command ('Command Injection')

Risk Scores

CVSS 3.1

6.8/10

Medium · CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:W/RC:C

Affected Products

Vendor	Product	Versions	Platforms
Microsoft	vers:unknown/*	—	—

Aliases

CVE-2026-45585

References

advisory

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