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CVE-2026-16392

critical · 9.1

JIT miscompilation in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 153 and Thunderbird 153.

9.1
CVSS
0.4%
EPSS (exploit prob.)
30th
EPSS percentile
2026-07-21
Published

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H

Weaknesses

CWE-670CWE-843

Affected products

VendorProductAffected versions
mozillafirefox< 153.0.0
mozillathunderbird< 153.0

Check a specific version with /api/v1/cve/match.

References

Query this programmatically:

curl https://evil-db.io/api/v1/cve/CVE-2026-16392