Windows Routing and Remote Access Service (RRAS) Remote Code Execution Vulnerability
Priority MEDIUM 44CWE-122Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Code execution
- 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 Routing and Remote Access Service (RRAS) Remote Code Execution Vulnerability
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.01818 78th percentileScored 2026-11-07
Fix Fixed Microsoft: 13 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
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Microsoft | Windows Server 2008 R2 Service Pack 1 | 6.1.7601.0 to before 6.1.7601.27566 | 6.1.7601.27566 | Patch available | CNA |
| Microsoft | Windows Server 2008 R2 Service Pack 1 (Server Core installation) | 6.1.7601.0 to before 6.1.7601.27566 | 6.1.7601.27566 | Patch available | CNA |
| Microsoft | Windows Server 2008 Service Pack 2 | 6.0.6003.0 to before 6.0.6003.23117 | 6.0.6003.23117 | Patch available | CNA |
| Microsoft | Windows Server 2008 Service Pack 2 (Server Core installation) | 6.0.6003.0 to before 6.0.6003.23117 | 6.0.6003.23117 | Patch available | CNA |
| Microsoft | Windows Server 2012 | 6.2.9200.0 to before 6.2.9200.25317 | 6.2.9200.25317 | Patch available | CNA |
| Microsoft | Windows Server 2012 (Server Core installation) | 6.2.9200.0 to before 6.2.9200.25317 | 6.2.9200.25317 | Patch available | CNA |
| Microsoft | Windows Server 2012 R2 | 6.3.9600.0 to before 6.3.9600.22417 | 6.3.9600.22417 | Patch available | CNA |
| Microsoft | Windows Server 2012 R2 (Server Core installation) | 6.3.9600.0 to before 6.3.9600.22417 | 6.3.9600.22417 | Patch available | CNA |
| Microsoft | Windows Server 2016 | 10.0.14393.0 to before 10.0.14393.7785 | 10.0.14393.7785 | Patch available | CNA |
| Microsoft | Windows Server 2016 (Server Core installation) | 10.0.14393.0 to before 10.0.14393.7785 | 10.0.14393.7785 | Patch available | CNA |
| Microsoft | Windows Server 2019 | 10.0.17763.0 to before 10.0.17763.6893 | 10.0.17763.6893 | Patch available | CNA |
| Microsoft | Windows Server 2019 (Server Core installation) | 10.0.17763.0 to before 10.0.17763.6893 | 10.0.17763.6893 | Patch available | CNA |
| Microsoft | Windows Server 2022 | 10.0.20348.0 to before 10.0.20348.3207 | 10.0.20348.3207 | Patch available | CNA |
| Microsoft | Windows Server 2022, 23H2 Edition (Server Core installation) | 10.0.25398.0 to before 10.0.25398.1425 | 10.0.25398.1425 | Patch available | CNA |
| Microsoft | Windows Server 2025 | 10.0.26100.0 to before 10.0.26100.3194 | 10.0.26100.3194 | Patch available | CNA |
| Microsoft | Windows Server 2025 (Server Core installation) | 10.0.26100.0 to before 10.0.26100.3194 | 10.0.26100.3194 | Patch available | CNA |
- Windows Server 2008 R2 Service Pack 1 VendorMicrosoft Affected 6.1.7601.0 to before 6.1.7601.27566 Fixed in 6.1.7601.27566 Patch available CNA
- Windows Server 2008 R2 Service Pack 1 (Server Core installation) VendorMicrosoft Affected 6.1.7601.0 to before 6.1.7601.27566 Fixed in 6.1.7601.27566 Patch available CNA
- Windows Server 2008 Service Pack 2 VendorMicrosoft Affected 6.0.6003.0 to before 6.0.6003.23117 Fixed in 6.0.6003.23117 Patch available CNA
- Windows Server 2008 Service Pack 2 (Server Core installation) VendorMicrosoft Affected 6.0.6003.0 to before 6.0.6003.23117 Fixed in 6.0.6003.23117 Patch available CNA
- Windows Server 2012 VendorMicrosoft Affected 6.2.9200.0 to before 6.2.9200.25317 Fixed in 6.2.9200.25317 Patch available CNA
- Windows Server 2012 (Server Core installation) VendorMicrosoft Affected 6.2.9200.0 to before 6.2.9200.25317 Fixed in 6.2.9200.25317 Patch available CNA
- Windows Server 2012 R2 VendorMicrosoft Affected 6.3.9600.0 to before 6.3.9600.22417 Fixed in 6.3.9600.22417 Patch available CNA
- Windows Server 2012 R2 (Server Core installation) VendorMicrosoft Affected 6.3.9600.0 to before 6.3.9600.22417 Fixed in 6.3.9600.22417 Patch available CNA
- Windows Server 2016 VendorMicrosoft Affected 10.0.14393.0 to before 10.0.14393.7785 Fixed in 10.0.14393.7785 Patch available CNA
- Windows Server 2016 (Server Core installation) VendorMicrosoft Affected 10.0.14393.0 to before 10.0.14393.7785 Fixed in 10.0.14393.7785 Patch available CNA
- Windows Server 2019 VendorMicrosoft Affected 10.0.17763.0 to before 10.0.17763.6893 Fixed in 10.0.17763.6893 Patch available CNA
- Windows Server 2019 (Server Core installation) VendorMicrosoft Affected 10.0.17763.0 to before 10.0.17763.6893 Fixed in 10.0.17763.6893 Patch available CNA
- Windows Server 2022 VendorMicrosoft Affected 10.0.20348.0 to before 10.0.20348.3207 Fixed in 10.0.20348.3207 Patch available CNA
- Windows Server 2022, 23H2 Edition (Server Core installation) VendorMicrosoft Affected 10.0.25398.0 to before 10.0.25398.1425 Fixed in 10.0.25398.1425 Patch available CNA
- Windows Server 2025 VendorMicrosoft Affected 10.0.26100.0 to before 10.0.26100.3194 Fixed in 10.0.26100.3194 Patch available CNA
- Windows Server 2025 (Server Core installation) VendorMicrosoft Affected 10.0.26100.0 to before 10.0.26100.3194 Fixed in 10.0.26100.3194 Patch available CNA
CPE configurations NVD · 10
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:microsoft:windows_server_2008:-:sp2:*:*:*:*:x64:* | not specified by NVD | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_server_2008:-:sp2:*:*:*:*:x86:* | 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_server_2012:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:* | r2 | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_server_2016:*:*:*:*:*:*:*:* | before 10.0.14393.7785 | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:* | before 10.0.17763.6893 | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_server_2022:*:*:*:*:*:*:*:* | before 10.0.20348.3207 | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_server_2022_23h2:*:*:*:*:*:*:x64:* | before 10.0.25398.1425 | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_server_2025:*:*:*:*:*:*:x64:* | before 10.0.26100.3194 | Vulnerable | Microsoft |
- cpe:2.3:o:microsoft:windows_server_2008:-:sp2:*:*:*:*:x64:* Versions not specified by NVD Vulnerable ·Microsoft
- cpe:2.3:o:microsoft:windows_server_2008:-:sp2:*:*:*:*:x86:* 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
- cpe:2.3:o:microsoft:windows_server_2016:*:*:*:*:*:*:*:* Versions before 10.0.14393.7785 Vulnerable ·Microsoft
- cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:* Versions before 10.0.17763.6893 Vulnerable ·Microsoft
- cpe:2.3:o:microsoft:windows_server_2022:*:*:*:*:*:*:*:* Versions before 10.0.20348.3207 Vulnerable ·Microsoft
- cpe:2.3:o:microsoft:windows_server_2022_23h2:*:*:*:*:*:*:x64:* Versions before 10.0.25398.1425 Vulnerable ·Microsoft
- cpe:2.3:o:microsoft:windows_server_2025:*:*:*:*:*:*:x64:* Versions before 10.0.26100.3194 Vulnerable ·Microsoft
Remediation
Microsoft 13 updates
- SecurityHotpatchUpdate
- Windows Server 2022 10.0.20348.3148
- Windows Server 2022 (Server Core installation) 10.0.20348.3148
- SecurityHotpatchUpdate
- Windows 11 Version 24H2 for ARM64-based Systems 10.0.26100.3107
- Windows 11 Version 24H2 for x64-based Systems 10.0.26100.3107
- Windows Server 2025 10.0.26100.3107
- Windows Server 2025 (Server Core installation) 10.0.26100.3107
- Security Only
- Windows Server 2008 for 32-bit Systems Service Pack 2 6.0.6003.23117
- Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation) 6.0.6003.23117
- Windows Server 2008 for x64-based Systems Service Pack 2 6.0.6003.23117
- Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation) 6.0.6003.23117
Show 10 more Microsoft updates
- Monthly Rollup
- Windows Server 2012 R2 6.3.9600.22417
- Windows Server 2012 R2 (Server Core installation) 6.3.9600.22417
- Monthly Rollup
- Windows Server 2008 for 32-bit Systems Service Pack 2 6.0.6003.23117
- Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation) 6.0.6003.23117
- Windows Server 2008 for x64-based Systems Service Pack 2 6.0.6003.23117
- Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation) 6.0.6003.23117
- Security Only
- Windows Server 2008 R2 for x64-based Systems Service Pack 1 6.1.7601.27566
- Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) 6.1.7601.27566
- Monthly Rollup
- Windows Server 2012 6.2.9200.25317
- Windows Server 2012 (Server Core installation) 6.2.9200.25317
- Monthly Rollup
- Windows Server 2008 R2 for x64-based Systems Service Pack 1 6.1.7601.27566
- Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) 6.1.7601.27566
- Security Update
- Windows 10 Version 1607 for 32-bit Systems 10.0.14393.7785
- Windows 10 Version 1607 for x64-based Systems 10.0.14393.7785
- Windows Server 2016 10.0.14393.7785
- Windows Server 2016 (Server Core installation) 10.0.14393.7785
- Security Update
- Windows 10 Version 1809 for 32-bit Systems 10.0.17763.6893
- Windows 10 Version 1809 for x64-based Systems 10.0.17763.6893
- Windows Server 2019 10.0.17763.6893
- Windows Server 2019 (Server Core installation) 10.0.17763.6893
- Security Update
- Windows 11 Version 24H2 for ARM64-based Systems 10.0.26100.3194
- Windows 11 Version 24H2 for x64-based Systems 10.0.26100.3194
- Windows Server 2025 10.0.26100.3194
- Windows Server 2025 (Server Core installation) 10.0.26100.3194
- Security Update
- Windows Server 2022, 23H2 Edition (Server Core installation) 10.0.25398.1425
- Security Update
- Windows Server 2022 10.0.20348.3207
- Windows Server 2022 (Server Core installation) 10.0.20348.3207
Vendor assessments
Microsoft
Microsoft's page for this CVE →
- Impact
- Remote Code Execution
- Exploited
- No
- Publicly disclosed
- No
- Exploitability
- Exploitation Less Likely
Timeline
- 2026-10-02 Threatist record created from CVE-2025-21410
- 2026-10-03 Alias added: GHSA-q4gc-pf54-76jm
References
More Microsoft Windows Server 2008 vulnerabilities
- TI-2020-01431 Netlogon Elevation of Privilege Vulnerability KEVCVSS 3.1CRITICAL 10.0
- TI-2020-01310 Improper input validation in Microsoft Windows Server KEVCVSS 3.1CRITICAL 10.0
- 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-2008-04072 The Server service in Microsoft Windows 2000 SP4, XP SP2 and SP3, Server 2003 SP1 and… KEVCVSS 3.1CRITICAL 9.8
Sources
- CVE-2025-21410 · CVE Program
- CVE-2025-21410 · NVD
- FIRST EPSS
- GHSA-q4gc-pf54-76jm · GitHub Advisory Database · CC BY 4.0
- CVE-2025-21410 · Microsoft Security Update Guide
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences