CVE-2025-49693

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

7.8

Vector

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

Exploitability: 1.8 / Impact: 5.9

Source: secure@microsoft.com (Secondary)

Description

Double free in Microsoft Brokering File System allows an authorized attacker to elevate privileges locally.

Affected (5)

Products: Microsoft: Windows 11 22h2, Windows 11 23h2, Windows 11 24h2, Windows Server 2022 23h2, Windows Server 2025

5 products

Windows 11 22h2

Windows 11 23h2

Windows 11 24h2

Windows Server 2022 23h2

Windows Server 2025

Configuration A

5 vulnerable

Vulnerable Software	Affected Versions
Microsoft Windows 11 22h2	Before 10.0.22621.5624
Microsoft Windows 11 23h2	Before 10.0.22631.5624
Microsoft Windows 11 24h2	Before 10.0.26100.4652
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-2025-49693

Source: secure@microsoft.com

Vendor Advisory

Timeline

No history available yet.