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Description

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.

PUBLISHED Reserved 2026-05-12 | Published 2026-05-19 | Updated 2026-05-19 | Assigner microsoft




MEDIUM: 6.8CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:W/RC:C

Problem types

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

Product status

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affected

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affected

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affected

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affected

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affected

References

msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45585 (Windows BitLocker Security Feature Bypass Vulnerability) vendor-advisory patch

cve.org (CVE-2026-45585)

nvd.nist.gov (CVE-2026-45585)

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