CVE-2020-12388

CRITICAL

Firefox < 76.0 and Firefox ESR < 68.8.0 - Sandbox Escape via Content Process Access Control

Title source: llm
STIX 2.1

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.

References (4)

Core 4
Core References
Issue Tracking, Vendor Advisory x_refsource_misc
https://bugzilla.mozilla.org/show_bug.cgi?id=1618911

Scores

CVSS v3 10.0
EPSS 0.0071
EPSS Percentile 72.4%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Details

CWE
CWE-20
Status published
Products (2)
mozilla/firefox < 76.0
mozilla/firefox_esr < 68.8.0
Published May 26, 2020
Tracked Since Feb 18, 2026