CVE-2018-8420

A remote code execution vulnerability exists when the Microsoft XML Core Services MSXML parser processes user input, aka "MS XML Remote Code Execution Vulnerability." This affects Windows 7, Windows Server 2012 R2, Windows RT 8.1, Windows Server 2008, Windows Server 2012, Windows 8.1, Windows Server 2016, Windows Server 2008 R2, Windows 10, Windows 10 Servers.

• CWE-611

• http://www.securityfocus.com/bid/105259Third Party Advisory, VDB Entry
• http://www.securitytracker.com/id/1041627Third Party Advisory, VDB Entry
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8420Patch, Vendor Advisory
• http://www.securityfocus.com/bid/105259Third Party Advisory, VDB Entry
• http://www.securitytracker.com/id/1041627Third Party Advisory, VDB Entry
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8420Patch, Vendor Advisory

Published

Sep 13, 2018

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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