Improper restriction of communication channel to intended endpoints in Microsoft Windows and Windows Server - CVE-2025-48807

Vulnerability identifier: #VU113848

CSH Severity: Low

CVSS v4: 5.4 [CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2025-48807

CWE-ID: CWE-923

Exploitation vector: Local access

Exploit availability: No public exploit available

The vulnerability allows a local user to compromise the target system.

The vulnerability exists due to improper restriction of communication channel to intended endpoints Windows Hyper-V. A local user can execute arbitrary code on the system.

Microsoft Windows
Windows Server

Install updates from vendor's website.

Microsoft Windows - addressed in versions 10 21H2 10.0.19044.6093, 10 1507 10.0.10240.21100, 10 1607 10.0.14393.8246, 10 1809 10.0.17763.7558, 11 22H2 10.0.22621.5624, 11 24H2 10.0.26100.4652
Windows Server - addressed in versions 2012 R2 6.3.9600.22725, 2016 10.0.14393.8246, 2019 10.0.17763.7558, 2022 23H2 10.0.25398.1732, 2022 10.0.20348.3932, 2025 10.0.26100.4652

• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2025-48807

• Multiple vulnerabilities in Microsoft Windows Hyper-V