CVE-2026-45658
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BitLocker Security Feature Bypass via Physical Attack

Vulnerability report for CVE-2026-45658, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.

Publication date: 2026-06-09

Last updated on: 2026-06-10

Assigner: Microsoft Corporation

Description

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

CVSS Scores

EPSS Scores

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Meta Information

Published
2026-06-09
Last Modified
2026-06-10
Generated
2026-06-30
AI Q&A
2026-06-09
EPSS Evaluated
2026-06-28
NVD
EUVD

Affected Vendors & Products

Showing 24 associated CPEs
Vendor Product Version / Range
microsoft windows_server_2012 r2
microsoft windows_server_2012 *
microsoft windows_10_1607 to 10.0.14393.9234 (exc)
microsoft windows_10_1607 to 10.0.14393.9234 (exc)
microsoft windows_10_1809 to 10.0.17763.8880 (exc)
microsoft windows_10_1809 to 10.0.17763.8880 (exc)
microsoft windows_10_21h2 to 10.0.19044.7417 (exc)
microsoft windows_10_21h2 to 10.0.19044.7417 (exc)
microsoft windows_10_21h2 to 10.0.19044.7417 (exc)
microsoft windows_10_22h2 to 10.0.19045.7417 (exc)
microsoft windows_10_22h2 to 10.0.19045.7417 (exc)
microsoft windows_10_22h2 to 10.0.19045.7417 (exc)
microsoft windows_11_23h2 to 10.0.22631.7219 (exc)
microsoft windows_11_23h2 to 10.0.22631.7219 (exc)
microsoft windows_11_24h2 to 10.0.26100.8655 (exc)
microsoft windows_11_24h2 to 10.0.26100.8655 (exc)
microsoft windows_11_25h2 to 10.0.26200.8655 (exc)
microsoft windows_11_25h2 to 10.0.26200.8655 (exc)
microsoft windows_11_26h1 to 10.0.28000.2269 (exc)
microsoft windows_11_26h1 to 10.0.28000.2269 (exc)
microsoft windows_server_2016 to 10.0.14393.9234 (exc)
microsoft windows_server_2019 to 10.0.17763.8880 (exc)
microsoft windows_server_2022 to 10.0.20348.5256 (exc)
microsoft windows_server_2025 to 10.0.26100.32995 (exc)

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-284 The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor.

Attack-Flow Graph

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Mitigation Strategies

The vulnerability involves a protection mechanism failure in Windows BitLocker that allows an unauthorized attacker to bypass a security feature with a physical attack.

Since the attack requires physical access, immediate mitigation steps include restricting physical access to affected devices and ensuring that BitLocker is properly configured and updated.

Executive Summary

This vulnerability is a protection mechanism failure in Windows BitLocker that allows an unauthorized attacker to bypass a security feature by performing a physical attack.

Impact Analysis

The vulnerability can lead to a security feature bypass, potentially allowing an attacker with physical access to compromise the confidentiality, integrity, and availability of data protected by Windows BitLocker.

Compliance Impact

The vulnerability in Windows BitLocker allows an unauthorized attacker to bypass a security feature through a physical attack, which could compromise the confidentiality, integrity, and availability of protected data.

Such a security feature bypass may impact compliance with common standards and regulations like GDPR and HIPAA, which require strong data protection measures to prevent unauthorized access to sensitive information.

However, the provided information does not explicitly detail the direct effects on compliance with these standards.

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