CVE-2026-8090

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CVSS 3.1

7.3 high

EPSS

<1%p24

Published

May 7, 2026 (May 7, 2026)

Modified

Jul 28, 2026

Description

Use-after-free in the DOM: Networking component. This vulnerability was fixed in Firefox 150.0.2, Firefox ESR 140.10.2, Firefox ESR 115.35.2, Thunderbird 150.0.2, and Thunderbird 140.10.2.

Vendors: mozilla
Products: firefox, thunderbird
Weakness: CWE-416, CWE-825
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

NVD CVE.org GitHub PoCs EPSS (0.3%)

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