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TI-2021-15007 Aliases CVE-2021-36927GHSA-22mc-4x52-cw6q

Windows Digital TV Tuner device registration application Elevation of Privilege Vulnerability

Priority LOW 35CWE-269Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Privilege escalation
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

Windows Digital TV Tuner device registration application Elevation of Privilege Vulnerability

Why it matters now

EPSS 0.00529 44th percentileScored 2026-11-07
Fix Fixed Microsoft: 9 updates

SSVC decision points

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

Affected products

VendorProductAffected versionsFixed inStatusSource
MicrosoftWindows 76.1.0 to before 6.1.7601.258986.1.7601.25898Patch availableCNA
MicrosoftWindows 7 Service Pack 16.1.0 to before 6.1.7601.258986.1.7601.25898Patch availableCNA
MicrosoftWindows 8.16.3.0 to before 6.3.9600.203036.3.9600.20303Patch availableCNA
MicrosoftWindows Server 2008 R2 Service Pack 16.1.7601.0 to before 6.1.7601.258986.1.7601.25898Patch availableCNA
MicrosoftWindows Server 2008 R2 Service Pack 1 (Server Core installation)6.1.7601.0 to before 6.1.7601.258986.1.7601.25898Patch availableCNA
MicrosoftWindows Server 2008 Service Pack 26.0.6003.0 to before 6.0.6003.214166.0.6003.21416Patch availableCNA
MicrosoftWindows Server 2008 Service Pack 2 (Server Core installation)6.0.6003.0 to before 6.0.6003.214166.0.6003.21416Patch availableCNA
MicrosoftWindows Server 20126.2.9200.0 to before 6.2.9200.236456.2.9200.23645Patch availableCNA
MicrosoftWindows Server 2012 (Server Core installation)6.2.9200.0 to before 6.2.9200.236456.2.9200.23645Patch availableCNA
MicrosoftWindows Server 2012 R26.3.9600.0 to before 6.3.9600.203036.3.9600.20303Patch availableCNA
MicrosoftWindows Server 2012 R2 (Server Core installation)6.3.9600.0 to before 6.3.9600.203036.3.9600.20303Patch availableCNA
  • Windows 7 VendorMicrosoft Affected 6.1.0 to before 6.1.7601.25898 Fixed in 6.1.7601.25898 Patch available CNA
  • Windows 7 Service Pack 1 VendorMicrosoft Affected 6.1.0 to before 6.1.7601.25898 Fixed in 6.1.7601.25898 Patch available CNA
  • Windows 8.1 VendorMicrosoft Affected 6.3.0 to before 6.3.9600.20303 Fixed in 6.3.9600.20303 Patch available CNA
  • Windows Server 2008 R2 Service Pack 1 VendorMicrosoft Affected 6.1.7601.0 to before 6.1.7601.25898 Fixed in 6.1.7601.25898 Patch available CNA
  • Windows Server 2008 R2 Service Pack 1 (Server Core installation) VendorMicrosoft Affected 6.1.7601.0 to before 6.1.7601.25898 Fixed in 6.1.7601.25898 Patch available CNA
  • Windows Server 2008 Service Pack 2 VendorMicrosoft Affected 6.0.6003.0 to before 6.0.6003.21416 Fixed in 6.0.6003.21416 Patch available CNA
  • Windows Server 2008 Service Pack 2 (Server Core installation) VendorMicrosoft Affected 6.0.6003.0 to before 6.0.6003.21416 Fixed in 6.0.6003.21416 Patch available CNA
  • Windows Server 2012 VendorMicrosoft Affected 6.2.9200.0 to before 6.2.9200.23645 Fixed in 6.2.9200.23645 Patch available CNA
  • Windows Server 2012 (Server Core installation) VendorMicrosoft Affected 6.2.9200.0 to before 6.2.9200.23645 Fixed in 6.2.9200.23645 Patch available CNA
  • Windows Server 2012 R2 VendorMicrosoft Affected 6.3.9600.0 to before 6.3.9600.20303 Fixed in 6.3.9600.20303 Patch available CNA
  • Windows Server 2012 R2 (Server Core installation) VendorMicrosoft Affected 6.3.9600.0 to before 6.3.9600.20303 Fixed in 6.3.9600.20303 Patch available CNA

CPE configurations NVD · 7

CPEVersionsRoleVendor
cpe:2.3:o:microsoft:windows_7:-:sp1:*:*:*:*:*:*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:-:sp2:*:*:*:*:*:*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_7:-:sp1:*:*:*:*:*:* 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:-:sp2:*:*:*:*:*:* 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 9 updates

  • KB5011564
    Monthly Rollup
    • Windows 8.1 for 32-bit systems 6.3.9600.20303
    • Windows 8.1 for x64-based systems 6.3.9600.20303
    • Windows Server 2012 R2 6.3.9600.20303
    • Windows Server 2012 R2 (Server Core installation) 6.3.9600.20303
  • KB5011560
    Security Only
    • Windows 8.1 for 32-bit systems 6.3.9600.20303
    • Windows 8.1 for x64-based systems 6.3.9600.20303
    • Windows Server 2012 R2 6.3.9600.20303
    • Windows Server 2012 R2 (Server Core installation) 6.3.9600.20303
  • KB5011552
    Monthly Rollup
    • Windows 7 for 32-bit Systems Service Pack 1 6.1.7601.25898
    • Windows 7 for x64-based Systems Service Pack 1 6.1.7601.25898
    • Windows Server 2008 R2 for x64-based Systems Service Pack 1 6.1.7601.25898
    • Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) 6.1.7601.25898
Show 6 more Microsoft updates
  • KB5011535
    Monthly Rollup
    • Windows Server 2012 6.2.9200.23645
    • Windows Server 2012 (Server Core installation) 6.2.9200.23645
  • KB5011534
    Monthly Rollup
    • Windows Server 2008 for 32-bit Systems Service Pack 2 6.0.6003.21416
    • Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation) 6.0.6003.21416
    • Windows Server 2008 for x64-based Systems Service Pack 2 6.0.6003.21416
    • Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation) 6.0.6003.21416
  • KB5011529
    Security Only
    • Windows 7 for 32-bit Systems Service Pack 1 6.1.7601.25898
    • Windows 7 for x64-based Systems Service Pack 1 6.1.7601.25898
    • Windows Server 2008 R2 for x64-based Systems Service Pack 1 6.1.7601.25898
    • Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) 6.1.7601.25898
  • KB5011527
    Security Only
    • Windows Server 2012 6.2.9200.23639
    • Windows Server 2012 (Server Core installation) 6.2.9200.23639
  • KB5011525
    Security Only
    • Windows Server 2008 for 32-bit Systems Service Pack 2 6.0.6003.21416
    • Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation) 6.0.6003.21416
    • Windows Server 2008 for x64-based Systems Service Pack 2 6.0.6003.21416
    • Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation) 6.0.6003.21416
  • KB5010419
    Monthly Rollup
    • Windows 8.1 for 32-bit systems 6.3.9600.20269
    • Windows 8.1 for x64-based systems 6.3.9600.20269
    • Windows RT 8.1 6.3.9600.20269, 6.3.9600.20296
    • Windows Server 2012 R2 6.3.9600.20269
    • Windows Server 2012 R2 (Server Core installation) 6.3.9600.20269

Vendor assessments

Microsoft

Microsoft's page for this CVE →

Impact
Elevation of Privilege
Exploited
No
Publicly disclosed
No
Exploitability
Exploitation Less Likely

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-36927
  2. 2026-10-03 Alias added: GHSA-22mc-4x52-cw6q

References

Patch 2

  • TI-2019-00485 Use after free in Microsoft Windows KEVCVSS 3.1CRITICAL 9.8
  • TI-2017-06077 Microsoft Windows XP SP3, Windows XP x64 XP2, Windows Server 2003 SP2, Windows Vista… KEVCVSS 3.1CRITICAL 9.8
  • TI-2015-01465 HTTP.sys in Microsoft Windows 7 SP1, Windows Server 2008 R2 SP1, Windows 8, Windows 8.1… KEVCVSS 3.1CRITICAL 9.8
  • TI-2022-19649 Windows Scripting Languages Remote Code Execution Vulnerability KEVCVSS 3.1HIGH 8.8
  • TI-2021-17496 Microsoft MSHTML Remote Code Execution Vulnerability KEVCVSS 3.1HIGH 8.8
  • TI-2021-13480 Scripting Engine Memory Corruption Vulnerability KEVCVSS 3.1HIGH 8.8
See all 2366 →

Sources

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