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CVE-2026-12311

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CVSS 3.1
4.7 medium
EPSS
<1%p8
Published
()
Modified
Description

Information disclosure, sandbox escape in the Security: Process Sandboxing component. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Thunderbird 152, and Thunderbird 140.12.

Vendors
mozilla
Products
firefox, thunderbird
Weakness
CWE-200, CWE-688
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:N/A:N
NVD CVE.org GitHub PoCs EPSS (0.2%)

In the news

No ingested article mentions this CVE yet.