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CVE-2026-12297

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

Sandbox escape due to incorrect boundary conditions in the Networking component. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Firefox ESR 115.37, Thunderbird 152, and Thunderbird 140.12.

Vendors
mozilla
Products
firefox, thunderbird
Weakness
CWE-119, CWE-653
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

No ingested article mentions this CVE yet.