CVE-2026-45655

CVE-2026-45655

Protection mechanism failure in Windows BitLocker allows an unauthorized attacker to bypass a security feature with a physical attack.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N.

Weakness classification (CWE)

CWE-693 — Protection Mechanism Failure

References

secure@microsoft.com

Frequently asked questions

What is CVE-2026-45655?: CVE-2026-45655 is a medium-severity vulnerability, classified under Protection Mechanism Failure. CVSS score: 5.3/10. Published 2026-06-09.
How severe is CVE-2026-45655?: Medium severity. CVSS v3 base score is 5.3 out of 10.