CVE-2025-48802

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

6.5

Vector

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

Exploitability: 2.8 / Impact: 3.6

Source: secure@microsoft.com (Secondary)

Description

Improper certificate validation in Windows SMB allows an authorized attacker to perform spoofing over a network.

Affected (4)

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

4 products

Windows 11 22h2

Windows 11 23h2

Windows Server 2022

Windows Server 2022 23h2

Configuration A

4 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 Server 2022	Before 10.0.20348.3932
Microsoft Windows Server 2022 23h2	Before 10.0.25398.1732

Related CWEs

Improper Certificate Validation

The product does not validate, or incorrectly validates, a certificate.

References (1)

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-48802

Source: secure@microsoft.com

Vendor Advisory

Timeline

No history available yet.