CVE-2026-118018

High

Description

Spoofing issue in the Downloads component in Firefox for Android. This vulnerability was fixed in Firefox 159.

SeverityHigh
CVSS8.8
Exploit probability—
ProductFirefox for Android
PublishedOct 27, 2026
First seenOct 27, 2026
Weakness typeCWE-451CWE-451

How to fix

Update
  • Mozilla Firefox for Android159 or later

Affected products

ProductAffected versionsFixed in
Mozilla Firefox for AndroidNo range specified159

Check your version

Choose the product and enter the version you run to see whether it falls in the affected range.

In the Intelligence 360 plan

Attack Surface Management

See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.