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CVE-2022-22711: Windows BitLocker Information Disclosure Vulnerability

• Severity: low (CVSS 3.3 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2022-07-12 · updated 2026-06-17

Description

Windows BitLocker Information Disclosure Vulnerability

Affected products

• Microsoft Windows 10 Version 1607: 20h2, 21h1, 21h2, 1607, 1809
• Microsoft Windows 11 version 21H2: all versions
• Microsoft Windows Server 2012: r2
• Microsoft Windows Server 2016: 20h2
• Microsoft Windows Server 2019: all versions
• Microsoft Windows Server 2022: all versions
• Microsoft Windows 10 Version 1507: from 10.0.10240.0 before 10.0.10240.19360 — fixed in 10.0.10240.19360
• Microsoft Windows 10 1607: from 10.0.14393.0 before 10.0.14393.5246 — fixed in 10.0.14393.5246
• Microsoft Windows 10: from 10.0.17763.0 before 10.0.17763.3165 — fixed in 10.0.17763.3165
• Microsoft Windows 10 20H2: from 10.0.0 before 10.0.19042.1826 — fixed in 10.0.19042.1826
• Microsoft Windows 10 21H1: from 10.0.0 before 10.0.19043.1826 — fixed in 10.0.19043.1826
• Microsoft Windows 10: from 10.0.19043.0 before 10.0.19044.1826 — fixed in 10.0.19044.1826
• Microsoft Windows 11 21H2: from 10.0.0 before 10.0.22000.795 — fixed in 10.0.22000.795
• Microsoft Windows Server 2016: from 10.0.14393.0 before 10.0.14393.5246 — fixed in 10.0.14393.5246
• Microsoft Windows Server 2019: from 10.0.17763.0 before 10.0.17763.3165 — fixed in 10.0.17763.3165
• Microsoft Windows Server 2022: from 10.0.20348.0 before 10.0.20348.825 — fixed in 10.0.20348.825
• Microsoft Windows Server version 20H2: from 10.0.0 before 10.0.19042.1826 — fixed in 10.0.19042.1826

How to fix

Upgrade to a fixed version: Microsoft Windows 10 Version 1507 10.0.10240.19360; Microsoft Windows 10 1607 10.0.14393.5246; Microsoft Windows 10 10.0.17763.3165; Microsoft Windows 10 20H2 10.0.19042.1826; Microsoft Windows 10 21H1 10.0.19043.1826; Microsoft Windows 10 10.0.19044.1826; Microsoft Windows 11 21H2 10.0.22000.795; Microsoft Windows Server 2016 10.0.14393.5246; Microsoft Windows Server 2019 10.0.17763.3165; Microsoft Windows Server 2022 10.0.20348.825; Microsoft Windows Server version 20H2 10.0.19042.1826. Check the vendor advisory for mitigations.

References

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-22711
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-22711

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