Read the docs
TI-2025-19601 Aliases CVE-2025-26667GHSA-c6h2-xp45-96cv

Windows Routing and Remote Access Service (RRAS) Information Disclosure Vulnerability

Priority LOW 33CWE-200Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Information disclosure
Confidentiality · integrity · availability
High · None · None
Fix status
Fixed

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

Summary

Exposure of sensitive information to an unauthorized actor in Windows Routing and Remote Access Service (RRAS) allows an unauthorized attacker to disclose information over a network.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.01852 79th percentileScored 2026-11-07
Fix Fixed Microsoft: 11 updates

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

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 Server 2008 R2 Service Pack 16.1.7601.0 to before 6.1.7601.276706.1.7601.27670Patch availableCNA
MicrosoftWindows Server 2008 R2 Service Pack 1 (Server Core installation)6.1.7601.0 to before 6.1.7601.276706.1.7601.27670Patch availableCNA
MicrosoftWindows Server 2008 Service Pack 26.0.6003.0 to before 6.0.6003.232206.0.6003.23220Patch availableCNA
MicrosoftWindows Server 2008 Service Pack 2 (Server Core installation)6.0.6003.0 to before 6.0.6003.232206.0.6003.23220Patch availableCNA
MicrosoftWindows Server 20126.2.9200.0 to before 6.2.9200.254236.2.9200.25423Patch availableCNA
MicrosoftWindows Server 2012 (Server Core installation)6.2.9200.0 to before 6.2.9200.254236.2.9200.25423Patch availableCNA
MicrosoftWindows Server 2012 R26.3.9600.0 to before 6.3.9600.225236.3.9600.22523Patch availableCNA
MicrosoftWindows Server 2012 R2 (Server Core installation)6.3.9600.0 to before 6.3.9600.225236.3.9600.22523Patch availableCNA
MicrosoftWindows Server 201610.0.14393.0 to before 10.0.14393.796910.0.14393.7969Patch availableCNA
MicrosoftWindows Server 2016 (Server Core installation)10.0.14393.0 to before 10.0.14393.796910.0.14393.7969Patch availableCNA
MicrosoftWindows Server 201910.0.17763.0 to before 10.0.17763.713610.0.17763.7136Patch availableCNA
MicrosoftWindows Server 2019 (Server Core installation)10.0.17763.0 to before 10.0.17763.713610.0.17763.7136Patch availableCNA
MicrosoftWindows Server 202210.0.20348.0 to before 10.0.20348.345310.0.20348.3453Patch availableCNA
MicrosoftWindows Server 2022, 23H2 Edition (Server Core installation)10.0.25398.0 to before 10.0.25398.155110.0.25398.1551Patch availableCNA
MicrosoftWindows Server 202510.0.26100.0 to before 10.0.26100.377510.0.26100.3775Patch availableCNA
MicrosoftWindows Server 2025 (Server Core installation)10.0.26100.0 to before 10.0.26100.377510.0.26100.3775Patch availableCNA
  • Windows Server 2008 R2 Service Pack 1 VendorMicrosoft Affected 6.1.7601.0 to before 6.1.7601.27670 Fixed in 6.1.7601.27670 Patch available CNA
  • Windows Server 2008 R2 Service Pack 1 (Server Core installation) VendorMicrosoft Affected 6.1.7601.0 to before 6.1.7601.27670 Fixed in 6.1.7601.27670 Patch available CNA
  • Windows Server 2008 Service Pack 2 VendorMicrosoft Affected 6.0.6003.0 to before 6.0.6003.23220 Fixed in 6.0.6003.23220 Patch available CNA
  • Windows Server 2008 Service Pack 2 (Server Core installation) VendorMicrosoft Affected 6.0.6003.0 to before 6.0.6003.23220 Fixed in 6.0.6003.23220 Patch available CNA
  • Windows Server 2012 VendorMicrosoft Affected 6.2.9200.0 to before 6.2.9200.25423 Fixed in 6.2.9200.25423 Patch available CNA
  • Windows Server 2012 (Server Core installation) VendorMicrosoft Affected 6.2.9200.0 to before 6.2.9200.25423 Fixed in 6.2.9200.25423 Patch available CNA
  • Windows Server 2012 R2 VendorMicrosoft Affected 6.3.9600.0 to before 6.3.9600.22523 Fixed in 6.3.9600.22523 Patch available CNA
  • Windows Server 2012 R2 (Server Core installation) VendorMicrosoft Affected 6.3.9600.0 to before 6.3.9600.22523 Fixed in 6.3.9600.22523 Patch available CNA
  • Windows Server 2016 VendorMicrosoft Affected 10.0.14393.0 to before 10.0.14393.7969 Fixed in 10.0.14393.7969 Patch available CNA
  • Windows Server 2016 (Server Core installation) VendorMicrosoft Affected 10.0.14393.0 to before 10.0.14393.7969 Fixed in 10.0.14393.7969 Patch available CNA
  • Windows Server 2019 VendorMicrosoft Affected 10.0.17763.0 to before 10.0.17763.7136 Fixed in 10.0.17763.7136 Patch available CNA
  • Windows Server 2019 (Server Core installation) VendorMicrosoft Affected 10.0.17763.0 to before 10.0.17763.7136 Fixed in 10.0.17763.7136 Patch available CNA
  • Windows Server 2022 VendorMicrosoft Affected 10.0.20348.0 to before 10.0.20348.3453 Fixed in 10.0.20348.3453 Patch available CNA
  • Windows Server 2022, 23H2 Edition (Server Core installation) VendorMicrosoft Affected 10.0.25398.0 to before 10.0.25398.1551 Fixed in 10.0.25398.1551 Patch available CNA
  • Windows Server 2025 VendorMicrosoft Affected 10.0.26100.0 to before 10.0.26100.3775 Fixed in 10.0.26100.3775 Patch available CNA
  • Windows Server 2025 (Server Core installation) VendorMicrosoft Affected 10.0.26100.0 to before 10.0.26100.3775 Fixed in 10.0.26100.3775 Patch available CNA

CPE configurations NVD · 10

CPEVersionsRoleVendor
cpe:2.3:o:microsoft:windows_server_2008:-:sp2:*:*:*:*:x64:*not specified by NVDVulnerableMicrosoft
cpe:2.3:o:microsoft:windows_server_2008:-:sp2:*:*:*:*:x86:*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_server_2016:*:*:*:*:*:*:*:*before 10.0.14393.7969VulnerableMicrosoft
cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:*before 10.0.17763.7136VulnerableMicrosoft
cpe:2.3:o:microsoft:windows_server_2022:*:*:*:*:*:*:*:*before 10.0.20348.3453VulnerableMicrosoft
cpe:2.3:o:microsoft:windows_server_2022_23h2:*:*:*:*:*:*:*:*before 10.0.25398.1551VulnerableMicrosoft
cpe:2.3:o:microsoft:windows_server_2025:*:*:*:*:*:*:*:*before 10.0.26100.3775VulnerableMicrosoft
  • 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 10.0.14393.7969 Vulnerable ·Microsoft
  • cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:* Versions before 10.0.17763.7136 Vulnerable ·Microsoft
  • cpe:2.3:o:microsoft:windows_server_2022:*:*:*:*:*:*:*:* Versions before 10.0.20348.3453 Vulnerable ·Microsoft
  • cpe:2.3:o:microsoft:windows_server_2022_23h2:*:*:*:*:*:*:*:* Versions before 10.0.25398.1551 Vulnerable ·Microsoft
  • cpe:2.3:o:microsoft:windows_server_2025:*:*:*:*:*:*:*:* Versions before 10.0.26100.3775 Vulnerable ·Microsoft

Remediation

Microsoft 11 updates

  • KB5055609
    Monthly Rollup
    • Windows Server 2008 for 32-bit Systems Service Pack 2 6.0.6003.23220
    • Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation) 6.0.6003.23220
    • Windows Server 2008 for x64-based Systems Service Pack 2 6.0.6003.23220
    • Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation) 6.0.6003.23220
  • KB5055596
    Security Only
    • Windows Server 2008 for 32-bit Systems Service Pack 2 6.0.6003.23220
    • Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation) 6.0.6003.23220
    • Windows Server 2008 for x64-based Systems Service Pack 2 6.0.6003.23220
    • Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation) 6.0.6003.23220
  • KB5055581
    Monthly Rollup
    • Windows Server 2012 6.2.9200.25423
    • Windows Server 2012 (Server Core installation) 6.2.9200.25423
Show 8 more Microsoft updates
  • KB5055570
    Security Only
    • Windows Server 2008 R2 for x64-based Systems Service Pack 1 6.1.7601.27670
    • Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) 6.1.7601.27670
  • KB5055561
    Monthly Rollup
    • Windows Server 2008 R2 for x64-based Systems Service Pack 1 6.1.7601.27670
    • Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) 6.1.7601.27670
  • KB5055557
    Monthly Rollup
    • Windows Server 2012 R2 6.3.9600.22523
    • Windows Server 2012 R2 (Server Core installation) 6.3.9600.22523
  • KB5055527
    Security Update
    • Windows Server 2022, 23H2 Edition (Server Core installation) 10.0.25398.1551
  • KB5055526
    Security Update
    • Azure Stack HCI OS 22H2 10.0.20348.3328
    • Windows Server 2022 10.0.20348.3453
    • Windows Server 2022 (Server Core installation) 10.0.20348.3453
  • KB5055523
    Security Update
    • Windows 11 Version 24H2 for ARM64-based Systems 10.0.26100.3775
    • Windows 11 Version 24H2 for x64-based Systems 10.0.26100.3775
    • Windows Server 2025 10.0.26100.3775
    • Windows Server 2025 (Server Core installation) 10.0.26100.3775
  • KB5055521
    Security Update
    • Windows 10 Version 1607 for 32-bit Systems 10.0.14393.7969
    • Windows 10 Version 1607 for x64-based Systems 10.0.14393.7969
    • Windows Server 2016 10.0.14393.7969
    • Windows Server 2016 (Server Core installation) 10.0.14393.7969
  • KB5055519
    Security Update
    • Windows 10 Version 1809 for 32-bit Systems 10.0.17763.7136
    • Windows 10 Version 1809 for x64-based Systems 10.0.17763.7136
    • Windows Server 2019 10.0.17763.7136
    • Windows Server 2019 (Server Core installation) 10.0.17763.7136

Vendor assessments

Microsoft

Microsoft's page for this CVE →

Impact
Information Disclosure
Exploited
No
Publicly disclosed
No
Exploitability
Exploitation Less Likely

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-26667
  2. 2026-10-03 Alias added: GHSA-c6h2-xp45-96cv

References

Patch 1

  • 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
See all 3551 →

Sources

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