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CVE-2026-45585
MEDIUM · CVSS 6.8
EPSS exploitation probability: 0%
Published 2026-05-20T00:16:44.380 · Last modified 2026-06-17T10:52:16.483

Summary

Microsoft is aware of a security feature bypass vulnerability in Windows publicly referred to as "YellowKey". The proof of concept for this vulnerability has been made public violating coordinated vulnerability best practices. We are issuing this CVE to provide mitigation guidance that can be implemented to protect against this vulnerability until the security update is made available. Mitigation FAQs Should I leverage the temporary mitigation? Microsoft recommends that you consider implementing these mitigations if you are concerned your devices and data are at risk of being compromised or stolen. For example, if your organization’s employees take their work devices home or on business travel. What impact to service availability/management could be caused by implementing the mit

Affected products

microsoft — windows_11_24h2

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References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.