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TI-2025-34980 Aliases CVE-2025-55330GHSA-8xgv-33f9-23fm

Windows BitLocker Security Feature Bypass Vulnerability

Priority LOW 30CWE-841Published · Updated

Key facts

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

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

Summary

Improper enforcement of behavioral workflow in Windows BitLocker allows an unauthorized attacker to bypass a security feature with a physical attack.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00572 47th percentileScored 2026-11-07
Fix Fixed Microsoft: 3 updates

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
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 11 version 22H210.0.22621.0 to before 10.0.22621.606010.0.22621.6060Patch availableCNA
MicrosoftWindows 11 version 22H310.0.22631.0 to before 10.0.22631.606010.0.22631.6060Patch availableCNA
MicrosoftWindows 11 Version 23H210.0.22631.0 to before 10.0.22631.606010.0.22631.6060Patch availableCNA
MicrosoftWindows 11 Version 24H210.0.26100.0 to before 10.0.26100.689910.0.26100.6899Patch availableCNA
MicrosoftWindows 11 Version 25H210.0.26200.0 to before 10.0.26200.689910.0.26200.6899Patch availableCNA
MicrosoftWindows Server 2022, 23H2 Edition (Server Core installation)10.0.25398.0 to before 10.0.25398.191310.0.25398.1913Patch availableCNA
MicrosoftWindows Server 202510.0.26100.0 to before 10.0.26100.689910.0.26100.6899Patch availableCNA
MicrosoftWindows Server 2025 (Server Core installation)10.0.26100.0 to before 10.0.26100.689910.0.26100.6899Patch availableCNA
  • Windows 11 version 22H2 VendorMicrosoft Affected 10.0.22621.0 to before 10.0.22621.6060 Fixed in 10.0.22621.6060 Patch available CNA
  • Windows 11 version 22H3 VendorMicrosoft Affected 10.0.22631.0 to before 10.0.22631.6060 Fixed in 10.0.22631.6060 Patch available CNA
  • Windows 11 Version 23H2 VendorMicrosoft Affected 10.0.22631.0 to before 10.0.22631.6060 Fixed in 10.0.22631.6060 Patch available CNA
  • Windows 11 Version 24H2 VendorMicrosoft Affected 10.0.26100.0 to before 10.0.26100.6899 Fixed in 10.0.26100.6899 Patch available CNA
  • Windows 11 Version 25H2 VendorMicrosoft Affected 10.0.26200.0 to before 10.0.26200.6899 Fixed in 10.0.26200.6899 Patch available CNA
  • Windows Server 2022, 23H2 Edition (Server Core installation) VendorMicrosoft Affected 10.0.25398.0 to before 10.0.25398.1913 Fixed in 10.0.25398.1913 Patch available CNA
  • Windows Server 2025 VendorMicrosoft Affected 10.0.26100.0 to before 10.0.26100.6899 Fixed in 10.0.26100.6899 Patch available CNA
  • Windows Server 2025 (Server Core installation) VendorMicrosoft Affected 10.0.26100.0 to before 10.0.26100.6899 Fixed in 10.0.26100.6899 Patch available CNA

CPE configurations NVD · 6

CPEVersionsRoleVendor
cpe:2.3:o:microsoft:windows_11_22h2:*:*:*:*:*:*:*:*before 10.0.22621.6060VulnerableMicrosoft
cpe:2.3:o:microsoft:windows_11_23h2:*:*:*:*:*:*:*:*before 10.0.22631.6060VulnerableMicrosoft
cpe:2.3:o:microsoft:windows_11_24h2:*:*:*:*:*:*:*:*before 10.0.26100.6899VulnerableMicrosoft
cpe:2.3:o:microsoft:windows_11_25h2:*:*:*:*:*:*:*:*before 10.0.26200.6899VulnerableMicrosoft
cpe:2.3:o:microsoft:windows_server_2022_23h2:*:*:*:*:*:*:*:*before 10.0.25398.1913VulnerableMicrosoft
cpe:2.3:o:microsoft:windows_server_2025:*:*:*:*:*:*:*:*before 10.0.26100.6899VulnerableMicrosoft
  • cpe:2.3:o:microsoft:windows_11_22h2:*:*:*:*:*:*:*:* Versions before 10.0.22621.6060 Vulnerable ·Microsoft
  • cpe:2.3:o:microsoft:windows_11_23h2:*:*:*:*:*:*:*:* Versions before 10.0.22631.6060 Vulnerable ·Microsoft
  • cpe:2.3:o:microsoft:windows_11_24h2:*:*:*:*:*:*:*:* Versions before 10.0.26100.6899 Vulnerable ·Microsoft
  • cpe:2.3:o:microsoft:windows_11_25h2:*:*:*:*:*:*:*:* Versions before 10.0.26200.6899 Vulnerable ·Microsoft
  • cpe:2.3:o:microsoft:windows_server_2022_23h2:*:*:*:*:*:*:*:* Versions before 10.0.25398.1913 Vulnerable ·Microsoft
  • cpe:2.3:o:microsoft:windows_server_2025:*:*:*:*:*:*:*:* Versions before 10.0.26100.6899 Vulnerable ·Microsoft

Remediation

Microsoft 3 updates

  • KB5066835
    Security Update
    • Windows 11 Version 24H2 for ARM64-based Systems 10.0.26100.6899
    • Windows 11 Version 24H2 for x64-based Systems 10.0.26100.6899
    • Windows 11 Version 25H2 for ARM64-based Systems 10.0.26200.6899
    • Windows 11 Version 25H2 for x64-based Systems 10.0.26200.6899
    • Windows Server 2025 10.0.26100.6899
    • Windows Server 2025 (Server Core installation) 10.0.26100.6899
  • KB5066793
    Security Update
    • Windows 11 Version 22H2 for ARM64-based Systems 10.0.22621.6060
    • Windows 11 Version 22H2 for x64-based Systems 10.0.22621.6060
    • Windows 11 Version 23H2 for ARM64-based Systems 10.0.22631.6060
    • Windows 11 Version 23H2 for x64-based Systems 10.0.22631.6060
  • KB5066780
    Security Update
    • Windows Server 2022, 23H2 Edition (Server Core installation) 10.0.25398.1913

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-2025-55330
  2. 2026-10-03 Alias added: GHSA-8xgv-33f9-23fm

References

Patch 1

  • 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
  • TI-2024-19751 SmartScreen Prompt Security Feature Bypass Vulnerability KEVCVSS 3.1HIGH 8.8
See all 1651 →

Sources

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