CVE-2026-8945

HIGH 7.5CVE-2026-8945 · Published 19/05/2026 · updated 14/10/2026

In short

CVE-2026-8945 is a HIGH (CVSS 7.5) vulnerability affecting firefox (mozilla), firefox focus (mozilla).
Chance of exploitation in the next 30 days (EPSS): 0.37%, higher than 30.9% of all vulnerabilities.
Fix: update to 151.0.0, 151.0 or later.

Package	Affected versions	Patched versions
firefox mozilla	`< 151.0.0`	`151.0.0`
firefox focus mozilla	`< 151.0`	`151.0`

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

Running one of these products? Scan your site to see whether it exposes a vulnerable version.

Package

Affected versions

Patched versions

< 151.0.0

151.0.0

< 151.0

151.0

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