CVE-2025-48802

Published: Jul 8, 2025

Modified: Feb 13, 2026

PUBLISHED

CVSS v3.1

6.5

MEDIUM

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

Vendor	Product	Versions
Microsoft	Windows 11 version 22H2	affected `10.0.22621.0 - < 10.0.22621.5624`
Microsoft	Windows 11 version 22H3	affected `10.0.22631.0 - < 10.0.22631.5624`
Microsoft	Windows 11 Version 23H2	affected `10.0.22631.0 - < 10.0.22631.5624`
Microsoft	Windows Server 2022	affected `10.0.20348.0 - < 10.0.20348.3932`
Microsoft	Windows Server 2022, 23H2 Edition (Server Core installation)	affected `10.0.25398.0 - < 10.0.25398.1732`

CVSS v3.1 Vector

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

High

Availability

None

vendor-advisory

patch

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