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CVE-2026-12296

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CVSS 3.1
9.6 critical
EPSS
<1%p33
Published
()
Modified
Description

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-693, CWE-403
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
NVD CVE.org GitHub PoCs EPSS (0.4%)

In the news

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