CVE-2026-16397

MEDIUM 6.5CVE-2026-16397 · Published 21/07/2026 · updated 24/10/2026

In short

CVE-2026-16397 is a MEDIUM (CVSS 6.5) vulnerability affecting firefox (mozilla).
Chance of exploitation in the next 30 days (EPSS): 0.30%, higher than 22.7% of all vulnerabilities.
Fix: update to 153.0.0 or later.

Package	Affected versions	Patched versions
firefox mozilla	`< 153.0.0`	`153.0.0`

Clickjacking issue in the WebExtensions component in Firefox for Android. This vulnerability was fixed in Firefox 153.

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Package

Affected versions

Patched versions

< 153.0.0

153.0.0

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