AUGUST 4, 2026
Live Feed
Back to database
Case File

CVE-2020-12389

CRITICAL · CVSS 10 EPSS 1.73%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2020-05-26 · Last synced 2026-08-04

CyberRota Analysis

This is a critical severity vulnerability with a CVSS score of 10.0. It affects Windows, Firefox.

CVE
CVE-2020-12389
Severity
CRITICAL
CVSS
10
EPSS
1.73%
Windows Firefox

Original NVD Description

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.

Related CVEs

Other vulnerabilities affecting the same vendor(s)