CVE-2026-92034 | BDVDB-2026-374591 Detail

MozillaFirefox

Description#

Site isolation issue in the Graphics component. This vulnerability was fixed in Firefox 156 and Thunderbird 156.

Per CVSS v3.1: confidentiality impact none, integrity impact high, availability impact high. Attack vector: network.

No public exploit known

9.1 Critical

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 20.0.

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Not classified

No specific action is recorded in the source data. Check the references for vendor guidance.

Not available

9.1 Critical

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H

Not available

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).