Windows DNS 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 DNS Elevation of Privilege Vulnerability
Why it matters now
EPSS 0.00549 46th percentileScored 2026-11-07
Fix Fixed Microsoft: 4 updates
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Microsoft | Windows 7 | 6.1.0 to before 6.1.7601.25712 | 6.1.7601.25712 | Patch available | CNA |
| Microsoft | Windows 7 Service Pack 1 | 6.1.0 to before 6.1.7601.25712 | 6.1.7601.25712 | Patch available | CNA |
| Microsoft | Windows Server 2008 R2 Service Pack 1 | 6.1.7601.0 to before 6.1.7601.25712 | 6.1.7601.25712 | Patch available | CNA |
| Microsoft | Windows Server 2008 R2 Service Pack 1 (Server Core installation) | 6.1.7601.0 to before 6.1.7601.25712 | 6.1.7601.25712 | Patch available | CNA |
| Microsoft | Windows Server 2008 Service Pack 2 | 6.0.6003.0 to before 6.0.6003.21218 | 6.0.6003.21218 | Patch available | CNA |
| Microsoft | Windows Server 2008 Service Pack 2 (Server Core installation) | 6.0.6003.0 to before 6.0.6003.21218 | 6.0.6003.21218 | Patch available | CNA |
- Windows 7 VendorMicrosoft Affected 6.1.0 to before 6.1.7601.25712 Fixed in 6.1.7601.25712 Patch available CNA
- Windows 7 Service Pack 1 VendorMicrosoft Affected 6.1.0 to before 6.1.7601.25712 Fixed in 6.1.7601.25712 Patch available CNA
- Windows Server 2008 R2 Service Pack 1 VendorMicrosoft Affected 6.1.7601.0 to before 6.1.7601.25712 Fixed in 6.1.7601.25712 Patch available CNA
- Windows Server 2008 R2 Service Pack 1 (Server Core installation) VendorMicrosoft Affected 6.1.7601.0 to before 6.1.7601.25712 Fixed in 6.1.7601.25712 Patch available CNA
- Windows Server 2008 Service Pack 2 VendorMicrosoft Affected 6.0.6003.0 to before 6.0.6003.21218 Fixed in 6.0.6003.21218 Patch available CNA
- Windows Server 2008 Service Pack 2 (Server Core installation) VendorMicrosoft Affected 6.0.6003.0 to before 6.0.6003.21218 Fixed in 6.0.6003.21218 Patch available CNA
CPE configurations NVD · 3
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:microsoft:windows_7:-:sp1:*:*:-:*:-:* | not specified by NVD | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_server_2008:-:sp2:*:*:*:*:*:* | not specified by NVD | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:x64:* | r2 sp1 | Vulnerable | Microsoft |
- cpe:2.3:o:microsoft:windows_7:-:sp1:*:*:-:*:-:* 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
Remediation
Microsoft 4 updates
- Monthly Rollup
- Windows 7 for 32-bit Systems Service Pack 1 6.1.7601.25712
- Windows 7 for x64-based Systems Service Pack 1 6.1.7601.25712
- Windows Server 2008 R2 for x64-based Systems Service Pack 1 6.1.7601.25712
- Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) 6.1.7601.25712
- Security Only
- Windows Server 2008 for 32-bit Systems Service Pack 2 6.0.6003.21218
- Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation) 6.0.6003.21218
- Windows Server 2008 for x64-based Systems Service Pack 2 6.0.6003.21218
- Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation) 6.0.6003.21218
- Security Only
- Windows 7 for 32-bit Systems Service Pack 1 6.1.7601.25712
- Windows 7 for x64-based Systems Service Pack 1 6.1.7601.25712
- Windows Server 2008 R2 for x64-based Systems Service Pack 1 6.1.7601.25712
- Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) 6.1.7601.25712
Show 1 more Microsoft updates
- Monthly Rollup
- Windows Server 2008 for 32-bit Systems Service Pack 2 6.0.6003.21218
- Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation) 6.0.6003.21218
- Windows Server 2008 for x64-based Systems Service Pack 2 6.0.6003.21218
- Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation) 6.0.6003.21218
Vendor assessments
Microsoft
Microsoft's page for this CVE →
- Impact
- Elevation of Privilege
- Exploited
- No
- Publicly disclosed
- Yes
- Exploitability
- Exploitation Less Likely
Timeline
- 2026-10-02 Threatist record created from CVE-2021-36968
- 2026-10-03 Alias added: GHSA-xq2h-74x7-89f4
References
More Microsoft Windows 7 vulnerabilities
- 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
Sources
- CVE-2021-36968 · CVE Program
- CVE-2021-36968 · NVD
- FIRST EPSS
- GHSA-xq2h-74x7-89f4 · GitHub Advisory Database · CC BY 4.0
- CVE-2021-36968 · Microsoft Security Update Guide
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences