SEPTEMBER 7, 2026
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Case File

CVE-2026-16392

CRITICAL · CVSS 9.1 EPSS 0.36%

Source: NVD + CISA KEV + EPSS · Published 2026-07-21 · Last synced 2026-08-20

CyberRota Analysis

AI-Generated

A critical vulnerability exists in the Just-In-Time (JIT) compilation process of the JavaScript engine in affected versions of Firefox and Java, potentially allowing attackers to execute arbitrary code. Organizations using these products should prioritize patching to mitigate the risk of exploitation, particularly those in environments where web applications are heavily utilized. Immediate action is recommended for all users of Firefox and Thunderbird versions prior to 153.

CVE
CVE-2026-16392
Severity
CRITICAL
CVSS
9.1
EPSS
0.36%
Firefox Java

Original NVD Description

JIT miscompilation in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 153 and Thunderbird 153.

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