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CVE-2026-12295

critical · 9.6

Sandbox escape in the DOM: Navigation component. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Firefox ESR 115.37, Thunderbird 152, and Thunderbird 140.12.

9.6
CVSS
0.4%
EPSS (exploit prob.)
33rd
EPSS percentile
2026-06-16
Published

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

Weaknesses

CWE-693CWE-653

Affected products

VendorProductAffected versions
mozillafirefox< 115.37.0
mozillafirefox< 152.0.0
mozillafirefox>= 128.0, < 140.12.0
mozillathunderbird< 140.12.0
mozillathunderbird< 152.0.0

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

References

Query this programmatically:

curl https://evil-db.io/api/v1/cve/CVE-2026-12295