Main Vulnerability Database Vulnerabilities #VU126218

Race condition in Windows and Windows Server - CVE-2026-33827

Published: April 15, 2026

Vulnerability identifier: #VU126218

CSH Severity: High

CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber

CVE-ID: CVE-2026-33827

CWE-ID: CWE-362

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vendor: Microsoft

Affected software:
Windows
Windows Server

Detailed vulnerability description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a race condition in Windows TCP/IP. A remote attacker can exploit the race and execute arbitrary code on the system.

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