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CVE-2026-74955

HIGH CVSS: 8.8 Published: 2026-08-18 Modified: 2026-08-19

Description

Privilege escalation in the Request Handling component. This vulnerability was fixed in Firefox 154, Firefox ESR 153.1, Thunderbird 154, and Thunderbird 153.1.

Affected Platforms

Mozilla FirefoxMozilla Thunderbird

Weakness Type

CWE-269

References