cve.bz

CVE-2026-74938

9.1 criticalEPSS 0.4%

Critical (9.1) in mozilla. EPSS 0.4% chance of exploitation in the next 30 days.

Mitigation bypass in the JavaScript: GC component. This vulnerability was fixed in Firefox 154, Firefox ESR 153.1, Thunderbird 154, and Thunderbird 153.1.

Severity

CVSS 3.1

9.1 critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
EPSS
0.4% chance of exploitation in the next 30 days; higher than 38% of CVEs (scores of 2026-10-31)
CWE
CWE-693
Published
Modified
Record from
the NVD, synced

Affected

References

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