cve-2018-12386 exploit

Exploit for CVE-2018-12386. CVSS 8.1.

Published 5 Oct 2026Updated 5 Oct 2026103 sources
CVSS 8.1 PoC CANDIDATE

What happened

Sandboxed RCE in Firefox prior to 62.0.3 and ESR 60.2.2.

Affected versions

Unknown product: 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