CVE-2025-49688

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

State: Published
Severity: 8.8 High
Published: Jul 8, 2025
Updated: Feb 26, 2026
Reserved: Jun 9, 2025

Description

Double free in Windows Routing and Remote Access Service (RRAS) allows an unauthorized attacker to execute code over a network.

Scores

CVSS	Score	Vector	Source
3.1	8.8 High	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C	microsoft

Weaknesses

CWE-415 Double Free

Affected Products

Product	Versions
Windows Server 2012 R2Microsoft	6.3.9600.0 to before 6.3.9600.22676Affected
Windows Server 2012 R2 (Server Core installation)Microsoft	6.3.9600.0 to before 6.3.9600.22676Affected
Windows Server 2016Microsoft	10.0.14393.0 to before 10.0.14393.8246Affected
Windows Server 2016 (Server Core installation)Microsoft	10.0.14393.0 to before 10.0.14393.8246Affected
Windows Server 2019Microsoft	10.0.17763.0 to before 10.0.17763.7558Affected
Windows Server 2019 (Server Core installation)Microsoft	10.0.17763.0 to before 10.0.17763.7558Affected
Windows Server 2022Microsoft	10.0.20348.0 to before 10.0.20348.3932Affected
Windows Server 2022, 23H2 Edition (Server Core installation)Microsoft	10.0.25398.0 to before 10.0.25398.1732Affected
Windows Server 2025Microsoft	10.0.26100.0 to before 10.0.26100.4652Affected
Windows Server 2025 (Server Core installation)Microsoft	10.0.26100.0 to before 10.0.26100.4652Affected

References

Windows Routing and Remote Access Service (RRAS) Remote Code Execution Vulnerabilityvendor-advisorypatch

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