Vulnerability intelligence

CVE-2026-6758

Use-after-free in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 150 and Thunderbird 150.

CVSS Score

7.5

High

EPSS — Exploit Probability

0.5%

Riskier than 42% of all CVEs · checked 2026-09-07

Exploitation

Not in CISA KEV

KEV does not include every exploited vulnerability

Remediation

unknown

Check vendor advisories

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

Coverage timeline