VulnerabilityDeferred
CVE-2026-109747
This vulnerability was fixed in Firefox 158 and Thunderbird 158.
HIGH 7.3EPSS 0.28%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.28%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
Other issue in the Address Bar component. This vulnerability was fixed in Firefox 158 and Thunderbird 158.
- CVSS 3.1
- 7.3 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
- EPSS
- 0.28% probability · 21th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-451
- Source
- security@mozilla.org
EPSS moved from 0.2% on 14 October 2026 to 0.3% on 26 October 2026.
References
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.