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TI-2024-13478 Aliases CVE-2024-20666GHSA-34wv-gh47-86r8

BitLocker Security Feature Bypass Vulnerability

Priority MEDIUM 64CWE-20Published · Updated

Key facts

Attack vector
Physical
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Security bypass
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA and Microsoft. Impact type from Microsoft.

Summary

BitLocker Security Feature Bypass Vulnerability

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.03104 87th percentileScored 2026-11-07
Fix Fixed Microsoft: 8 updates

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
MicrosoftWindows 10 Version 180910.0.17763.0 to before 10.0.17763.532910.0.17763.5329Patch availableCNA
MicrosoftWindows 10 Version 180910.0.0 to before 10.0.17763.532910.0.17763.5329Patch availableCNA
MicrosoftWindows Server 201910.0.17763.0 to before 10.0.17763.532910.0.17763.5329Patch availableCNA
MicrosoftWindows Server 2019 (Server Core installation)10.0.17763.0 to before 10.0.17763.532910.0.17763.5329Patch availableCNA
MicrosoftWindows Server 202210.0.20348.0 to before 10.0.20348.222710.0.20348.2227Patch availableCNA
MicrosoftWindows 11 version 21H210.0.0 to before 10.0.22000.271310.0.22000.2713Patch availableCNA
MicrosoftWindows 10 Version 21H210.0.19043.0 to before 10.0.19044.393010.0.19044.3930Patch availableCNA
MicrosoftWindows 11 version 22H210.0.22621.0 to before 10.0.22621.300710.0.22621.3007Patch availableCNA
MicrosoftWindows 10 Version 22H210.0.19045.0 to before 10.0.19045.393010.0.19045.3930Patch availableCNA
MicrosoftWindows 11 version 22H310.0.22631.0 to before 10.0.22631.300710.0.22631.3007Patch availableCNA
MicrosoftWindows 11 Version 23H210.0.22631.0 to before 10.0.22631.300710.0.22631.3007Patch availableCNA
MicrosoftWindows Server 2022, 23H2 Edition (Server Core installation)10.0.25398.0 to before 10.0.25398.64310.0.25398.643Patch availableCNA
MicrosoftWindows 10 Version 150710.0.10240.0 to before 10.0.10240.2040210.0.10240.20402Patch availableCNA
MicrosoftWindows 10 Version 160710.0.14393.0 to before 10.0.14393.661410.0.14393.6614Patch availableCNA
MicrosoftWindows Server 201610.0.14393.0 to before 10.0.14393.661410.0.14393.6614Patch availableCNA
MicrosoftWindows Server 2016 (Server Core installation)10.0.14393.0 to before 10.0.14393.661410.0.14393.6614Patch availableCNA
  • Windows 10 Version 1809 VendorMicrosoft Affected 10.0.17763.0 to before 10.0.17763.5329 Fixed in 10.0.17763.5329 Patch available CNA
  • Windows 10 Version 1809 VendorMicrosoft Affected 10.0.0 to before 10.0.17763.5329 Fixed in 10.0.17763.5329 Patch available CNA
  • Windows Server 2019 VendorMicrosoft Affected 10.0.17763.0 to before 10.0.17763.5329 Fixed in 10.0.17763.5329 Patch available CNA
  • Windows Server 2019 (Server Core installation) VendorMicrosoft Affected 10.0.17763.0 to before 10.0.17763.5329 Fixed in 10.0.17763.5329 Patch available CNA
  • Windows Server 2022 VendorMicrosoft Affected 10.0.20348.0 to before 10.0.20348.2227 Fixed in 10.0.20348.2227 Patch available CNA
  • Windows 11 version 21H2 VendorMicrosoft Affected 10.0.0 to before 10.0.22000.2713 Fixed in 10.0.22000.2713 Patch available CNA
  • Windows 10 Version 21H2 VendorMicrosoft Affected 10.0.19043.0 to before 10.0.19044.3930 Fixed in 10.0.19044.3930 Patch available CNA
  • Windows 11 version 22H2 VendorMicrosoft Affected 10.0.22621.0 to before 10.0.22621.3007 Fixed in 10.0.22621.3007 Patch available CNA
  • Windows 10 Version 22H2 VendorMicrosoft Affected 10.0.19045.0 to before 10.0.19045.3930 Fixed in 10.0.19045.3930 Patch available CNA
  • Windows 11 version 22H3 VendorMicrosoft Affected 10.0.22631.0 to before 10.0.22631.3007 Fixed in 10.0.22631.3007 Patch available CNA
  • Windows 11 Version 23H2 VendorMicrosoft Affected 10.0.22631.0 to before 10.0.22631.3007 Fixed in 10.0.22631.3007 Patch available CNA
  • Windows Server 2022, 23H2 Edition (Server Core installation) VendorMicrosoft Affected 10.0.25398.0 to before 10.0.25398.643 Fixed in 10.0.25398.643 Patch available CNA
  • Windows 10 Version 1507 VendorMicrosoft Affected 10.0.10240.0 to before 10.0.10240.20402 Fixed in 10.0.10240.20402 Patch available CNA
  • Windows 10 Version 1607 VendorMicrosoft Affected 10.0.14393.0 to before 10.0.14393.6614 Fixed in 10.0.14393.6614 Patch available CNA
  • Windows Server 2016 VendorMicrosoft Affected 10.0.14393.0 to before 10.0.14393.6614 Fixed in 10.0.14393.6614 Patch available CNA
  • Windows Server 2016 (Server Core installation) VendorMicrosoft Affected 10.0.14393.0 to before 10.0.14393.6614 Fixed in 10.0.14393.6614 Patch available CNA

CPE configurations NVD · 16

CPEVersionsRoleVendor
cpe:2.3:o:microsoft:windows_10_1507:*:*:*:*:*:*:x64:*before 10.0.10240.20402VulnerableMicrosoft
cpe:2.3:o:microsoft:windows_10_1507:*:*:*:*:*:*:x86:*before 10.0.10240.20402VulnerableMicrosoft
cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:x64:*before 10.0.14393.6614VulnerableMicrosoft
cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:x86:*before 10.0.14393.6614VulnerableMicrosoft
cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:*:*before 10.0.17763.5329VulnerableMicrosoft
cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:*:*before 10.0.19044.3930VulnerableMicrosoft
cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:*:*before 10.0.19045.3930VulnerableMicrosoft
cpe:2.3:o:microsoft:windows_11_21h2:*:*:*:*:*:*:arm64:*before 10.0.22000.2713VulnerableMicrosoft
cpe:2.3:o:microsoft:windows_11_21h2:*:*:*:*:*:*:x64:*before 10.0.22000.2713VulnerableMicrosoft
cpe:2.3:o:microsoft:windows_11_22h2:*:*:*:*:*:*:arm64:*before 10.0.22621.3007VulnerableMicrosoft
  • cpe:2.3:o:microsoft:windows_10_1507:*:*:*:*:*:*:x64:* Versions before 10.0.10240.20402 Vulnerable ·Microsoft
  • cpe:2.3:o:microsoft:windows_10_1507:*:*:*:*:*:*:x86:* Versions before 10.0.10240.20402 Vulnerable ·Microsoft
  • cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:x64:* Versions before 10.0.14393.6614 Vulnerable ·Microsoft
  • cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:x86:* Versions before 10.0.14393.6614 Vulnerable ·Microsoft
  • cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:*:* Versions before 10.0.17763.5329 Vulnerable ·Microsoft
  • cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:*:* Versions before 10.0.19044.3930 Vulnerable ·Microsoft
  • cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:*:* Versions before 10.0.19045.3930 Vulnerable ·Microsoft
  • cpe:2.3:o:microsoft:windows_11_21h2:*:*:*:*:*:*:arm64:* Versions before 10.0.22000.2713 Vulnerable ·Microsoft
  • cpe:2.3:o:microsoft:windows_11_21h2:*:*:*:*:*:*:x64:* Versions before 10.0.22000.2713 Vulnerable ·Microsoft
  • cpe:2.3:o:microsoft:windows_11_22h2:*:*:*:*:*:*:arm64:* Versions before 10.0.22621.3007 Vulnerable ·Microsoft
Show 6 more CPE
CPEVersionsRoleVendor
cpe:2.3:o:microsoft:windows_11_22h2:*:*:*:*:*:*:x64:*before 10.0.22621.3007VulnerableMicrosoft
cpe:2.3:o:microsoft:windows_11_23h2:*:*:*:*:*:*:arm64:*before 10.0.22631.3007VulnerableMicrosoft
cpe:2.3:o:microsoft:windows_11_23h2:*:*:*:*:*:*:x64:*before 10.0.22631.3007VulnerableMicrosoft
cpe:2.3:o:microsoft:windows_server_2016:-:*:*:*:*:*:*:*not specified by NVDVulnerableMicrosoft
cpe:2.3:o:microsoft:windows_server_2019:-:*:*:*:*:*:*:*not specified by NVDVulnerableMicrosoft
cpe:2.3:o:microsoft:windows_server_2022:-:*:*:*:*:*:*:*not specified by NVDVulnerableMicrosoft
  • cpe:2.3:o:microsoft:windows_11_22h2:*:*:*:*:*:*:x64:* Versions before 10.0.22621.3007 Vulnerable ·Microsoft
  • cpe:2.3:o:microsoft:windows_11_23h2:*:*:*:*:*:*:arm64:* Versions before 10.0.22631.3007 Vulnerable ·Microsoft
  • cpe:2.3:o:microsoft:windows_11_23h2:*:*:*:*:*:*:x64:* Versions before 10.0.22631.3007 Vulnerable ·Microsoft
  • cpe:2.3:o:microsoft:windows_server_2016:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Microsoft
  • cpe:2.3:o:microsoft:windows_server_2019:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Microsoft
  • cpe:2.3:o:microsoft:windows_server_2022:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Microsoft

Remediation

Microsoft 8 updates

  • KB5034134
    Security Update
    • Microsoft .NET Framework 3.5 AND 4.6/4.6.2 10.0.10240.20402
    • Windows 10 for 32-bit Systems 10.0.10240.20402
    • Windows 10 for x64-based Systems 10.0.10240.20402
  • KB5034130
    Security Update
    • Windows Server 2022, 23H2 Edition (Server Core installation) 10.0.25398.643
  • KB5034129
    Security Update
    • Windows Server 2022 10.0.20348.2227
    • Windows Server 2022 (Server Core installation) 10.0.20348.2227
Show 5 more Microsoft updates
  • KB5034127
    Security Update
    • Windows 10 Version 1809 for 32-bit Systems 10.0.17763.5329
    • Windows 10 Version 1809 for ARM64-based Systems 10.0.17763.5329
    • Windows 10 Version 1809 for x64-based Systems 10.0.17763.5329
    • Windows Server 2019 10.0.17763.5329
    • Windows Server 2019 (Server Core installation) 10.0.17763.5329
  • KB5034123
    Security Update
    • Windows 11 Version 22H2 for ARM64-based Systems 10.0.22621.3007
    • Windows 11 Version 22H2 for x64-based Systems 10.0.22621.3007
    • Windows 11 Version 23H2 for ARM64-based Systems 10.0.22631.3007
    • Windows 11 Version 23H2 for x64-based Systems 10.0.22631.3007
  • KB5034122
    Security Update
    • Windows 10 Version 21H2 for 32-bit Systems 10.0.19044.3930
    • Windows 10 Version 21H2 for ARM64-based Systems 10.0.19044.3930
    • Windows 10 Version 21H2 for x64-based Systems 10.0.19044.3930
    • Windows 10 Version 22H2 for 32-bit Systems 10.0.19045.3930
    • Windows 10 Version 22H2 for ARM64-based Systems 10.0.19045.3930
    • Windows 10 Version 22H2 for x64-based Systems 10.0.19045.3930
  • KB5034121
    Security Update
    • Windows 11 version 21H2 for ARM64-based Systems 10.0.22000.2713
    • Windows 11 version 21H2 for x64-based Systems 10.0.22000.2713
  • KB5034119
    Security Update
    • Microsoft .NET Framework 3.5 AND 4.7.2 10.0.14393.6614
    • Windows 10 Version 1607 for 32-bit Systems 10.0.14393.6614
    • Windows 10 Version 1607 for x64-based Systems 10.0.14393.6614
    • Windows Server 2016 10.0.14393.6614
    • Windows Server 2016 (Server Core installation) 10.0.14393.6614

Vendor assessments

Microsoft

Microsoft's page for this CVE →

Impact
Security Feature Bypass
Exploited
No
Publicly disclosed
No
Exploitability
Exploitation Less Likely

Timeline

  1. 2026-10-02 Threatist record created from CVE-2024-20666
  2. 2026-10-03 Alias added: GHSA-34wv-gh47-86r8

References

Patch 1

  • TI-2017-06077 Microsoft Windows XP SP3, Windows XP x64 XP2, Windows Server 2003 SP2, Windows Vista… KEVCVSS 3.1CRITICAL 9.8
  • TI-2025-24062 Windows SMB Client Elevation of Privilege Vulnerability KEVCVSS 3.1HIGH 8.8
  • TI-2025-24042 Internet Shortcut Files Remote Code Execution Vulnerability KEVCVSS 3.1HIGH 8.8
  • TI-2024-32708 Windows Task Scheduler Elevation of Privilege Vulnerability KEVCVSS 3.1HIGH 8.8
  • TI-2024-29106 Windows MSHTML Platform Spoofing Vulnerability KEVCVSS 3.1HIGH 8.8
  • TI-2024-19802 Windows MSHTML Platform Security Feature Bypass Vulnerability KEVCVSS 3.1HIGH 8.8
See all 1229 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences