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CVE-2026-45655

MEDIUMCVSS 5.3/10EPSS 0.41%

Last modified

CVE-2026-45655 is a medium-severity vulnerability rated 5.3/10 on the CVSS scale. Protection mechanism failure in Windows BitLocker allows an unauthorized attacker to bypass a security feature with a physical attack.. EPSS estimates a 0.41% chance of exploitation in the next 30 days.

Description

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

Metrics

CVSS 3.1
5.3/10

CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N

EPSS Probability
0.41%

33.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
MicrosoftWindows 10 1607< 10.0.14393.9234
MicrosoftWindows 10 1809< 10.0.17763.8880
MicrosoftWindows 10 21h2< 10.0.19044.7417
MicrosoftWindows 10 22h2< 10.0.19045.7417
MicrosoftWindows 11 23h2< 10.0.22631.7219
MicrosoftWindows 11 24h2< 10.0.26100.8655
MicrosoftWindows 11 25h2< 10.0.26200.8655
MicrosoftWindows 11 26h1< 10.0.28000.2269
MicrosoftWindows Server 2012All versions
MicrosoftWindows Server 2012r2
MicrosoftWindows Server 2016< 10.0.14393.9234
MicrosoftWindows Server 2019< 10.0.17763.8880
MicrosoftWindows Server 2022< 10.0.20348.5256
MicrosoftWindows Server 2025< 10.0.26100.32995

References

Timeline

Published
Last Modified
Status
Analyzed

Frequently Asked Questions

What is CVE-2026-45655?
Protection mechanism failure in Windows BitLocker allows an unauthorized attacker to bypass a security feature with a physical attack.
How severe is CVE-2026-45655?
CVE-2026-45655 has a CVSS score of 5.3/10 (MEDIUM severity). The EPSS model estimates a 0.41% probability of exploitation in the next 30 days.
How do I fix CVE-2026-45655?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-45655?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST