SEPTEMBER 7, 2026
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Case File

CVE-2026-16382

CRITICAL · CVSS 9.8 EPSS 0.38%

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

CyberRota Analysis

AI-Generated

A critical vulnerability exists in the Service Workers component of Firefox, allowing attackers to bypass mitigations and potentially execute arbitrary code. This flaw affects users of Firefox versions prior to 153 and could lead to severe security breaches. Organizations and individuals using affected versions should prioritize updating to the latest release to mitigate risks.

CVE
CVE-2026-16382
Severity
CRITICAL
CVSS
9.8
EPSS
0.38%
Firefox

Original NVD Description

Mitigation bypass in the DOM: Service Workers 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