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Description

Protection mechanism failure in Windows Secure Boot allows an authorized attacker to bypass a security feature locally.

PUBLISHED Reserved 2026-05-12 | Published 2026-06-09 | Updated 2026-06-10 | Assigner microsoft




HIGH: 7.9CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:N/E:U/RL:O/RC:C

Problem types

CWE-284: Improper Access Control

Product status

10.0.26100.0 (custom) before 10.0.26100.8655
affected

10.0.26200.0 (custom) before 10.0.26200.8655
affected

10.0.28000.0 (custom) before 10.0.28000.2269
affected

1.0.0 (custom) before 10.0.28000.2269
affected

10.0.26100.0 (custom) before 10.0.26100.32995
affected

10.0.26100.0 (custom) before 10.0.26100.32995
affected

References

msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45654 (Secure Boot Security Feature Bypass Vulnerability) vendor-advisory patch

cve.org (CVE-2026-45654)

nvd.nist.gov (CVE-2026-45654)

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