CVE-2025-49688

Published: Jul 8, 2025Modified: Jul 15, 2025

8.8

Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Exploitability: 2.8 / Impact: 5.9

Source: secure@microsoft.com (Secondary)

Description

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

Affected (6)

Products: Microsoft: Windows Server 2012, Windows Server 2016, Windows Server 2019, Windows Server 2022, Windows Server 2022 23h2, Windows Server 2025

6 products

Windows Server 2012

Windows Server 2016

Windows Server 2019

Windows Server 2022

Windows Server 2022 23h2

Windows Server 2025

Configuration A

6 vulnerable

Vulnerable Software	Affected Versions
Microsoft Windows Server 2012	Version r2
Microsoft Windows Server 2016	Before 10.0.14393.8246
Microsoft Windows Server 2019	Before 10.0.17763.7558
Microsoft Windows Server 2022	Before 10.0.20348.3932
Microsoft Windows Server 2022 23h2	Before 10.0.25398.1732
Microsoft Windows Server 2025	Before 10.0.26100.4652

Related CWEs

The product calls free() twice on the same memory address, potentially leading to modification of unexpected memory locations.

References (1)

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-49688

Source: secure@microsoft.com

Vendor Advisory

Timeline

No history available yet.