SEPTEMBER 18, 2026
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Case File

CVE-2026-74976

MEDIUM · CVSS 6.5 EPSS 0.32%

Source: NVD + CISA KEV + EPSS · Published 2026-08-18 · Last synced 2026-09-17

CyberRota Analysis

AI-Generated

A Just-In-Time (JIT) miscompilation vulnerability in the JavaScript engine affects Firefox and Java, potentially allowing attackers to execute arbitrary code or cause application crashes. Users of affected versions should prioritize updating to Firefox 154, Firefox ESR 140.14, or Firefox ESR 153.1 to mitigate risks associated with this flaw. Organizations relying on these products for web applications or services should assess their exposure and implement the necessary updates promptly.

CVE
CVE-2026-74976
Severity
MEDIUM
CVSS
6.5
EPSS
0.32%
Firefox Java

Original NVD Description

JIT miscompilation in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 154, Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird 154, Thunderbird 140.14, and Thunderbird 153.1.

Related CVEs

Other vulnerabilities affecting the same vendor(s)

CVE-2026-84642 HIGH CVE-2026-84641 HIGH CVE-2026-84640 HIGH CVE-2026-84639 CRITICAL CVE-2026-84637 CRITICAL CVE-2026-84145 HIGH