Use of uninitialized resource in Windows and Windows Server - CVE-2026-50376
Published: July 17, 2026
Vulnerability identifier: #VU138027
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2026-50376
CWE-ID: CWE-908
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Microsoft
Affected software:
Windows
Windows Server
Windows
Windows Server
Detailed vulnerability description
The vulnerability allows a remote attacker to disclose sensitive information.
The vulnerability exists due to use of uninitialized resource in Windows RDP when handling remote desktop connections with remote audio playback and recording enabled. A remote attacker can operate a malicious server to disclose sensitive information.
User interaction is required: a victim user on the client must enable Remote Audio Playback and Recording and connect to the malicious server.
How to mitigate CVE-2026-50376
Install security update from vendor's website.