All CVEs
Vulnerability intelligence

CVE-2026-6746

Use-after-free in the DOM: Core & HTML component. This vulnerability was fixed in Firefox 150, Firefox ESR 115.35, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10.

CVSS Score
7.5
High
EPSS — Exploit Probability
0.6%
Riskier than 44% of all CVEs
Exploitation
Not in CISA KEV
No federal exploitation record
Remediation
unknown
Check vendor advisories
NVD entry PoC / advisory

1 article across 1 outlet · first covered Apr 22, 2026 · latest Apr 22, 2026

Coverage timeline