Jul 2026: Windows App Package Installer Elevation of Privilege Vulnerability
CVE-2026-48571 Published on July 14, 2026

Windows App Package Installer Elevation of Privilege Vulnerability
Use after free in Windows App Installer allows an authorized attacker to elevate privileges locally.

Vendor Advisory NVD

Weakness Type

What is a Dangling pointer Vulnerability?

Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code.

CVE-2026-48571 has been classified to as a Dangling pointer vulnerability or weakness.


Products Associated with CVE-2026-48571

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Affected Versions

Microsoft Windows 11 version 23H2: Microsoft Windows 11 Version 23H2: Microsoft Windows 11 Version 24H2: Microsoft Windows 11 Version 25H2: Microsoft Windows 11 version 26H1: Microsoft Windows Server 2025: Microsoft Windows Server 2025 (Server Core installation):

Exploit Probability

EPSS
0.21%
Percentile
11.82%

EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.