CVE-2025-48821 HIGH

CVE-2025-48821: Windows Universal Plug and Play (UPnP) Device Host Elevation of Privilege Vulnerability

Vendor Microsoft
Product Windows 10 Version 1507
Weakness CWE-416
Published July 8, 2025
Last update February 13, 2026
View on NVD All CVEs

CVSS base score

7.1/10
Attack vector Adjacent
Attack complexity High
Privileges required Low
User interaction None
Confidentiality High
Integrity High

CVSS vector

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

What the vulnerability does

01Description

Use after free in Windows Universal Plug and Play (UPnP) Device Host allows an authorized attacker to elevate privileges over an adjacent network.

Key dates

02Disclosure timeline

July 8, 2025 CVE published
February 13, 2026 Record updated