Vulnerability Database

310,057

Total vulnerabilities in the database

CVE-2020-12389

The Firefox content processes did not sufficiently lockdown access control which could result in a sandbox escape. Note: this issue only affects Firefox on Windows operating systems.. This vulnerability affects Firefox ESR < 68.8 and Firefox < 76.

  • Published: May 26, 2020
  • Updated: Nov 16, 2025
  • CVE: CVE-2020-12389
  • Severity: Critical
  • Exploit:

CVSS v3:

  • Severity: Critical
  • Score: 10
  • AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

CVSS v2:

  • Severity: High
  • Score: 7.5
  • AV:N/AC:L/Au:N/C:P/I:P/A:P

CWEs:

Software From Fixed in
mozilla / firefox - 76.0
mozilla / firefox_esr - 68.8.0