High · 8.8 CVE-2025-49669 EUVD-2025-20575GHSA-r88j-3c36-8p3p

Windows Routing and Remote Access Service (RRAS) Remote Code Execution Vulnerability

Published Jul 8, 2025 · Updated Feb 26, 2026 · Assigned by microsoft

Vendor: Microsoft Product: Windows Server 2008 R2 Service Pack 1 Product: Windows Server 2008 R2 Service Pack 1 (Server Core installation) Product: Windows Server 2008 Service Pack 2 Product: Windows Server 2008 Service Pack 2 (Server Core installation) Product: Windows Server 2012 Product: Windows Server 2012 (Server Core installation) Product: Windows Server 2012 R2 Product: Windows Server 2012 R2 (Server Core installation) Product: Windows Server 2016 Product: Windows Server 2016 (Server Core installation) Product: Windows Server 2019 Product: Windows Server 2019 (Server Core installation) Product: Windows Server 2022 Product: Windows Server 2022, 23H2 Edition (Server Core installation) Product: Windows Server 2025 Product: Windows Server 2025 (Server Core installation) Platform: Windows

Description

Heap-based buffer overflow in Windows Routing and Remote Access Service (RRAS) allows an unauthorized attacker to execute code over a network.

Affected products

Vendor	Product	Affected	Fixed
Microsoft	Windows Server 2008 R2 Service Pack 1	6.1.7601.0 – < 6.1.7601.27820	6.1.7601.27820
Microsoft	Windows Server 2008 R2 Service Pack 1 (Server Core installation)	6.1.7601.0 – < 6.1.7601.27820	6.1.7601.27820
Microsoft	Windows Server 2008 Service Pack 2	6.0.6003.0 – < 6.0.6003.23418	6.0.6003.23418
Microsoft	Windows Server 2008 Service Pack 2 (Server Core installation)	6.0.6003.0 – < 6.0.6003.23418	6.0.6003.23418
Microsoft	Windows Server 2012	6.2.9200.0 – < 6.2.9200.25573	6.2.9200.25573
Microsoft	Windows Server 2012 (Server Core installation)	6.2.9200.0 – < 6.2.9200.25573	6.2.9200.25573
Microsoft	Windows Server 2012 R2	6.3.9600.0 – < 6.3.9600.22676	6.3.9600.22676
Microsoft	Windows Server 2012 R2 (Server Core installation)	6.3.9600.0 – < 6.3.9600.22676	6.3.9600.22676
Microsoft	Windows Server 2016	10.0.14393.0 – < 10.0.14393.8246	10.0.14393.8246
Microsoft	Windows Server 2016 (Server Core installation)	10.0.14393.0 – < 10.0.14393.8246	10.0.14393.8246
Microsoft	Windows Server 2019	10.0.17763.0 – < 10.0.17763.7558	10.0.17763.7558
Microsoft	Windows Server 2019 (Server Core installation)	10.0.17763.0 – < 10.0.17763.7558	10.0.17763.7558
Microsoft	Windows Server 2022	10.0.20348.0 – < 10.0.20348.3932	10.0.20348.3932
Microsoft	Windows Server 2022, 23H2 Edition (Server Core installation)	10.0.25398.0 – < 10.0.25398.1732	10.0.25398.1732
Microsoft	Windows Server 2025	10.0.26100.0 – < 10.0.26100.4652	10.0.26100.4652
Microsoft	Windows Server 2025 (Server Core installation)	10.0.26100.0 – < 10.0.26100.4652	10.0.26100.4652

Advisories 3

WID-SEC-2025-1495 Microsoft Windows: Mehrere Schwachstellen BSI CERT-Bund (WID) · Sep 2, 2025
NCSC-2025-0213 Kwetsbaarheden verholpen in Microsoft Windows NCSC-NL (Netherlands) · Jul 8, 2025
MSRC-CVE-2025-49669 Windows Routing and Remote Access Service (RRAS) Remote Code Execution Vulnerability Microsoft Security Response Center · Jul 8, 2025

References

Windows Routing and Remote Access Service (RRAS) Remote Code Execution Vulnerability vendor-advisory patch