PT-2026-49685 · Mozilla · Firefox+1

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CVE-2026-12316

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Published

2026-06-16

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Updated

2026-07-25

CVSS v2.0

9.4

Critical

VectorAV:N/AC:L/Au:N/C:C/I:C/A:N
Name of the Vulnerable Software and Affected Versions Firefox versions prior to 152 Thunderbird versions prior to 152
Description A mitigation bypass exists within the DOM security component.

Fix

Protection Mechanism Failure

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Weakness Enumeration

Related Identifiers

BDU:2026-11250
CVE-2026-12316
OPENSUSE-SU-2026:11052-1
OPENSUSE-SU-2026:11373-1

Affected Products

Firefox
Thunderbird