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CVE-2026-8962

HIGH CVSS: 8.1 Published: 2026-05-19 Modified: 2026-07-23

Description

Mitigation bypass in the DOM: Security component. This vulnerability was fixed in Firefox 151, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11.

Affected Platforms

Mozilla FirefoxMozilla Thunderbird

Weakness Type

CWE-693

References