Use of uninitialized resource in Windows and Windows Server - CVE-2026-57982
Published: July 17, 2026
Vulnerability identifier: #VU138140
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2026-57982
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 user to disclose sensitive information.
The vulnerability exists due to use of uninitialized resource in Windows RDP when handling RDP connections. A remote user can establish a connection and trigger access to uninitialized heap memory to disclose sensitive information.
The disclosed information may include uninitialized heap memory contents.
How to mitigate CVE-2026-57982
Install security update from vendor's website.