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UK Cyber Defence
VulnerabilityAnalyzed

CVE-2026-8951

This vulnerability was fixed in Firefox 151.

MEDIUM 6.5EPSS 0.25%

Does this matter?

Lower severity and a low EPSS score (0.25%). Track it; it rarely justifies an emergency change on its own.

Description

Spoofing issue in the Toolbar component in Firefox for Android. This vulnerability was fixed in Firefox 151.

CVSS 3.1
6.5 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
EPSS
0.25% probability · 17th percentile
CISA KEV
Not listed
Weakness
CWE-290
Affected
mozilla/firefox
Source
security@mozilla.org

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.