CVE-2026-8090

High

Open

TLP:CLEAR

Use-after-free in the DOM: Networking component

NVD CVE.org

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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.

Details

CVSS Score: 7.3
EPSS Score ⓘ: 0.32%

24.2th percentile
CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Confidence: 90%
Published: May 7, 2026
Last Modified: Jul 28, 2026

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