ZeroHour

CVE-2026-0881

CVSS 3.1
10.0 critical
EPSS
<1%p25
Published
()
Modified
Description

Sandbox escape in the Messaging System component. This vulnerability was fixed in Firefox 147 and Thunderbird 147.

Vendors
mozilla
Products
firefox, thunderbird
Weakness
CWE-284, CWE-693
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

In the news

No ingested article mentions this CVE yet.