CVE-2024-8381
CVSS v3
9.8
CRITICAL
EPSS Score
4.4 %
exploit probability, as of 2026-10-04
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
A potentially exploitable type confusion could be triggered when looking up a property name on an object being used as the `with` environment. This vulnerability affects Firefox < 130, Firefox ESR < 128.2, Firefox ESR < 115.15, Thunderbird < 128.2, and Thunderbird < 115.15.
Technical details
- Published
- 2024-09-03
Frequently asked questions
What is CVE-2024-8381?
A potentially exploitable type confusion could be triggered when looking up a property name on an object being used as the `with` environment. This vulnerability affects Firefox < 130, Firefox ESR < 128.2, Firefox ESR < 115.15, Thunderbird < 128.2, and Thunderbird < 115.15.
Is CVE-2024-8381 actively exploited?
Active exploitation of CVE-2024-8381 has not been confirmed. Its EPSS score was 4.4% on 2026-10-04, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2024-8381?
CVE-2024-8381 has a CVSS v3 base score of 9.8 (CRITICAL severity).
Is CVE-2024-8381 affecting your environment?
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