CVE-2026-74935
High · 8.8CVSS
8.8
EPSS
0.5%
Published
Aug 18, 2026
CISA due date
—
The record
Privilege escalation in the DOM: Networking component. This vulnerability was fixed in Firefox 154, Firefox ESR 115.39, Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird 154, Thunderbird 140.14, and Thunderbird 153.1.
Affected packages
| Ecosystem | Package | Introduced | Fixed |
|---|
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