Out-of-bounds read in Microsoft Windows and Windows Server - CVE-2025-48822

 

Out-of-bounds read in Microsoft Windows and Windows Server - CVE-2025-48822

Published: July 9, 2025


Vulnerability identifier: #VU112574
CSH Severity: High
CVSS v4: 8.4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2025-48822
CWE-ID: CWE-125
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to a boundary condition in Windows Hyper-V Discrete Device Assignment (DDA). A remote attacker can create a specially crafted INF file, trick the victim into opening it, trigger an out-of-bounds read error and read contents of memory on the system, leading to arbitrary code execution.


Affected software

Microsoft Windows
Windows Server

How to mitigate CVE-2025-48822

Install update from vendor's website.

Microsoft Windows - addressed in versions 10 21H2 10.0.19044.6093, 10 22H2 10.0.19045.6093, 10 1607 10.0.14393.8246, 10 1809 10.0.17763.7558, 11 22H2 10.0.22621.5624, 11 23H2 10.0.22631.5624, 11 24H2 10.0.26100.4652
Windows Server - addressed in versions 2016 10.0.14393.8246, 2019 10.0.17763.7558, 2022 23H2 10.0.22621.5472, 2022 23H2 10.0.25398.1732, 2022 10.0.20348.3932, 2025 10.0.26100.4652

External References

Related Security Bulletins