HIGH
CVE-2026-92021
CVSS
8.8
Description
Use-after-free in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox ESR 140.16 and Thunderbird 140.16.
Weakness (CWE)
CWE-416
Use After Free
EPSS Score
0.3%
Probability of exploitation in next 30 days
23th percentile
References
Base CVE data derived from NVD (public domain). Enrichment by
dbcve.org
(CC-BY-4.0). Fetched via API.