Microsoft MSHTML Remote Code Execution Vulnerability

Microsoft MSHTML contains a unspecified vulnerability that allows for remote code execution.

Published 6 Sep 2026Updated 6 Sep 20263 sources
CVSS 8.8 PoC CANDIDATE△ CISA KEV

What happened

Microsoft MSHTML contains a unspecified vulnerability that allows for remote code execution.

Affected versions

MSHTML: See original advisory Fixed: See vendor advisory.

Why it matters

This source correlation may provide earlier visibility while structured CVE metadata is still being updated.

Detection & mitigation

  • Review the original advisory and validate affected versions.
  • Apply vendor-provided updates or mitigations when available.

Public PoC references