CVE-2025-48820

HIGH

Windows AppX Deployment Service - Privilege Escalation

Title source: llm
STIX 2.1

Description

Improper link resolution before file access ('link following') in Windows AppX Deployment Service allows an authorized attacker to elevate privileges locally.

Scores

CVSS v3 7.8
EPSS 0.0059
EPSS Percentile 69.2%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

CWE
CWE-59
Status published
Products (13)
microsoft/windows_10_1507 < 10.0.10240.21073 (2 CPE variants)
microsoft/windows_10_1607 < 10.0.14393.8246 (2 CPE variants)
microsoft/windows_10_1809 < 10.0.17763.7558 (2 CPE variants)
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_2016 < 10.0.14393.8246
microsoft/windows_server_2019 < 10.0.17763.7558
... and 3 more
Published Jul 08, 2025
Tracked Since Feb 18, 2026