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CVE-2026-16351

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

Sandbox escape due to use-after-free in the DOM: Navigation component. This vulnerability was fixed in Firefox 153, Firefox ESR 115.38, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13.

Vendors
mozilla
Products
firefox, thunderbird
Weakness
CWE-416
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD CVE.org GitHub PoCs EPSS (0.4%)

In the news

No ingested article mentions this CVE yet.