CVE-2026-8945

High

Description

Sandbox escape in Firefox and Firefox Focus for Android. This vulnerability was fixed in Firefox 151.

SeverityHigh
CVSS7.5
Exploit probability—
ProductMozilla Firefox
PublishedMay 19, 2026
First seenMay 19, 2026

How to fix

Update
  • mozilla firefox151.0.0 or later
  • mozilla firefox_focus151.0 or later

Affected products

ProductAffected versionsFixed in
mozilla firefoxv < 151.0.0151.0.0
mozilla firefox_focusv < 151.0151.0

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