OCTOBER 8, 2026
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Case File

CVE-2026-100785

HIGH · CVSS 8.8 EPSS 0.32%

Source: NVD + CISA KEV + EPSS · Published 2026-09-29 · Last synced 2026-10-08

CyberRota Analysis

AI-Generated

A use-after-free vulnerability in the DOM Core and HTML components of Firefox can lead to potential code execution or crashes, posing a significant risk to users. Organizations using affected versions of Firefox should prioritize applying the latest updates, specifically Firefox ESR 153.4, Firefox 157, Firefox ESR 115.42, or Firefox ESR 140.17, to mitigate this high-severity threat.

CVE
CVE-2026-100785
Severity
HIGH
CVSS
8.8
EPSS
0.32%
Firefox

Original NVD Description

Use-after-free in the DOM: Core & HTML component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 140.17, Thunderbird 153.4, Firefox 157, Firefox ESR 115.42, and Firefox ESR 140.17.

Related CVEs

Other vulnerabilities affecting the same vendor(s)

CVE-2026-96869 MEDIUM CVE-2026-100832 HIGH CVE-2026-100823 MEDIUM CVE-2026-100820 HIGH CVE-2026-100819 CRITICAL CVE-2026-100818 CRITICAL