CVE-2025-48819

HIGH

Windows UPnP Device Host - Privilege Escalation

Title source: llm

Description

Sensitive data storage in improperly locked memory in Windows Universal Plug and Play (UPnP) Device Host allows an authorized attacker to elevate privileges over an adjacent network.

References (1)

[Vendor Advisory] https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-48819

Scores

CVSS v3 7.1

EPSS 0.0009

EPSS Percentile 26.4%

Attack Vector ADJACENT_NETWORK

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

Classification

CWE

CWE-591

Status published

Affected Products (21)

microsoft/windows_10_1507 < 10.0.10240.21073

microsoft/windows_10_1607 < 10.0.14393.8246

microsoft/windows_10_1809 < 10.0.17763.7558

microsoft/windows_10_21h2 < 10.0.19044.6093

microsoft/windows_10_22h2 < 10.0.19045.6093

microsoft/windows_11_22h2 < 10.0.22621.5624

microsoft/windows_11_23h2 < 10.0.22631.5624

microsoft/windows_11_24h2 < 10.0.26100.4652

microsoft/windows_server_2008

microsoft/windows_server_2012

... and 6 more

Timeline

Published Jul 08, 2025

Tracked Since Feb 18, 2026