Read the docs
TI-2022-06265 Aliases CVE-2022-21899GHSA-67j8-976x-9cmm

Windows Extensible Firmware Interface Security Feature Bypass Vulnerability

Priority LOW 28Published · Updated

Key facts

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

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

Summary

Windows Extensible Firmware Interface Security Feature Bypass Vulnerability

Why it matters now

EPSS 0.01464 73rd percentileScored 2026-11-07
Fix Fixed Microsoft: 7 updates

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
MicrosoftWindows 10 Version 150710.0.10240.0 to before 10.0.10240.1917710.0.10240.19177Patch availableCNA
MicrosoftWindows 76.1.0 to before 6.1.7601.258296.1.7601.25829Patch availableCNA
MicrosoftWindows 7 Service Pack 16.1.0 to before 6.1.7601.258296.1.7601.25829Patch availableCNA
MicrosoftWindows 8.16.3.0 to before 6.3.9600.202466.3.9600.20246Patch availableCNA
MicrosoftWindows Server 2008 R2 Service Pack 16.1.7601.0 to before 6.1.7601.258296.1.7601.25829Patch availableCNA
MicrosoftWindows Server 2008 R2 Service Pack 1 (Server Core installation)6.1.7601.0 to before 6.1.7601.258296.1.7601.25829Patch availableCNA
MicrosoftWindows Server 20126.2.9200.0 to before 6.2.9200.235846.2.9200.23584Patch availableCNA
MicrosoftWindows Server 2012 (Server Core installation)6.2.9200.0 to before 6.2.9200.235846.2.9200.23584Patch availableCNA
MicrosoftWindows Server 2012 R26.3.9600.0 to before 6.3.9600.202466.3.9600.20246Patch availableCNA
MicrosoftWindows Server 2012 R2 (Server Core installation)6.3.9600.0 to before 6.3.9600.202466.3.9600.20246Patch availableCNA
  • Windows 10 Version 1507 VendorMicrosoft Affected 10.0.10240.0 to before 10.0.10240.19177 Fixed in 10.0.10240.19177 Patch available CNA
  • Windows 7 VendorMicrosoft Affected 6.1.0 to before 6.1.7601.25829 Fixed in 6.1.7601.25829 Patch available CNA
  • Windows 7 Service Pack 1 VendorMicrosoft Affected 6.1.0 to before 6.1.7601.25829 Fixed in 6.1.7601.25829 Patch available CNA
  • Windows 8.1 VendorMicrosoft Affected 6.3.0 to before 6.3.9600.20246 Fixed in 6.3.9600.20246 Patch available CNA
  • Windows Server 2008 R2 Service Pack 1 VendorMicrosoft Affected 6.1.7601.0 to before 6.1.7601.25829 Fixed in 6.1.7601.25829 Patch available CNA
  • Windows Server 2008 R2 Service Pack 1 (Server Core installation) VendorMicrosoft Affected 6.1.7601.0 to before 6.1.7601.25829 Fixed in 6.1.7601.25829 Patch available CNA
  • Windows Server 2012 VendorMicrosoft Affected 6.2.9200.0 to before 6.2.9200.23584 Fixed in 6.2.9200.23584 Patch available CNA
  • Windows Server 2012 (Server Core installation) VendorMicrosoft Affected 6.2.9200.0 to before 6.2.9200.23584 Fixed in 6.2.9200.23584 Patch available CNA
  • Windows Server 2012 R2 VendorMicrosoft Affected 6.3.9600.0 to before 6.3.9600.20246 Fixed in 6.3.9600.20246 Patch available CNA
  • Windows Server 2012 R2 (Server Core installation) VendorMicrosoft Affected 6.3.9600.0 to before 6.3.9600.20246 Fixed in 6.3.9600.20246 Patch available CNA

CPE configurations NVD · 9

CPEVersionsRoleVendor
cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:x64:*not specified by NVDVulnerableMicrosoft
cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:x86:*not specified by NVDVulnerableMicrosoft
cpe:2.3:o:microsoft:windows_7:-:sp1:*:*:*:*:x64:*not specified by NVDVulnerableMicrosoft
cpe:2.3:o:microsoft:windows_7:-:sp1:*:*:*:*:x86:*not specified by NVDVulnerableMicrosoft
cpe:2.3:o:microsoft:windows_8.1:-:*:*:*:*:*:*:*not specified by NVDVulnerableMicrosoft
cpe:2.3:o:microsoft:windows_rt_8.1:-:*:*:*:*:*:*:*not specified by NVDVulnerableMicrosoft
cpe:2.3:o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:x64:*r2 sp1VulnerableMicrosoft
cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:*not specified by NVDVulnerableMicrosoft
cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:*r2VulnerableMicrosoft
  • cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:x64:* Versions not specified by NVD Vulnerable ·Microsoft
  • cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:x86:* Versions not specified by NVD Vulnerable ·Microsoft
  • cpe:2.3:o:microsoft:windows_7:-:sp1:*:*:*:*:x64:* Versions not specified by NVD Vulnerable ·Microsoft
  • cpe:2.3:o:microsoft:windows_7:-:sp1:*:*:*:*:x86:* Versions not specified by NVD Vulnerable ·Microsoft
  • cpe:2.3:o:microsoft:windows_8.1:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Microsoft
  • cpe:2.3:o:microsoft:windows_rt_8.1:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Microsoft
  • cpe:2.3:o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:x64:* Versions r2 sp1 Vulnerable ·Microsoft
  • cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Microsoft
  • cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:* Versions r2 Vulnerable ·Microsoft

Remediation

Microsoft 7 updates

  • Monthly Rollup
    • Windows 8.1 for 32-bit systems 6.3.9600.20246
    • Windows 8.1 for x64-based systems 6.3.9600.20246
    • Windows RT 8.1 6.3.9600.20246
    • Windows Server 2012 R2 6.3.9600.20246
    • Windows Server 2012 R2 (Server Core installation) 6.3.9600.20246
  • Security Only
    • Windows 7 for 32-bit Systems Service Pack 1 6.1.7601.25829
    • Windows 7 for x64-based Systems Service Pack 1 6.1.7601.25829
    • Windows Server 2008 R2 for x64-based Systems Service Pack 1 6.1.7601.25829
    • Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) 6.1.7601.25829
  • Security Only
    • Windows Server 2012 6.2.9200.23584
    • Windows Server 2012 (Server Core installation) 6.2.9200.23584
Show 4 more Microsoft updates
  • Monthly Rollup
    • Windows 7 for 32-bit Systems Service Pack 1 6.1.7601.25829
    • Windows 7 for x64-based Systems Service Pack 1 6.1.7601.25829
    • Windows Server 2008 R2 for x64-based Systems Service Pack 1 6.1.7601.25829
    • Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) 6.1.7601.25829
  • Security Only
    • Windows 8.1 for 32-bit systems 6.3.9600.20246
    • Windows 8.1 for x64-based systems 6.3.9600.20246
    • Windows Server 2012 R2 6.3.9600.20246
    • Windows Server 2012 R2 (Server Core installation) 6.3.9600.20246
  • Monthly Rollup
    • Windows Server 2012 6.2.9200.23584
    • Windows Server 2012 (Server Core installation) 6.2.9200.23584
  • Security Update
    • Microsoft .NET Framework 3.5 AND 4.7.2 10.0.10240.19177
    • Windows 10 for 32-bit Systems 10.0.10240.19177
    • Windows 10 for x64-based Systems 10.0.10240.19177

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-2022-21899
  2. 2026-10-03 Alias added: GHSA-67j8-976x-9cmm

References

  • TI-2015-02132 Buffer underflow in atmfd.dll in the Windows Adobe Type Manager Library in Microsoft… KEVCVSS 3.1HIGH 8.8
  • TI-2022-10056 Remote Procedure Call Runtime Remote Code Execution Vulnerability CVSS 3.1CRITICAL 9.8
  • TI-2022-06273 HTTP Protocol Stack Remote Code Execution Vulnerability CVSS 3.1CRITICAL 9.8
  • TI-2019-00906 Remote Desktop Services Remote Code Execution Vulnerability CVSS 3.1CRITICAL 9.8
  • TI-2022-15533 Windows Internet Key Exchange (IKE) Protocol Extensions Remote Code Execution Vulnerability CVSS 3.1CRITICAL 9.8
  • TI-2015-01587 Mount Manager in Microsoft Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows… KEVCVSS 3.1MEDIUM 6.6
See all 2973 →

Sources