SEPTEMBER 7, 2026
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Case File

CVE-2026-16359

CRITICAL · CVSS 9.1 EPSS 0.26%

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

CyberRota Analysis

AI-Generated

A critical vulnerability in the Audio/Video GMP component of Firefox and Thunderbird allows for incorrect boundary conditions, potentially leading to arbitrary code execution. Users of affected versions should prioritize updating to Firefox 153, Firefox ESR 115.38, Firefox ESR 140.13, or Thunderbird 153 and 140.13 to mitigate the risk of exploitation. Organizations relying on these products should take immediate action to protect their systems.

CVE
CVE-2026-16359
Severity
CRITICAL
CVSS
9.1
EPSS
0.26%
Firefox

Original NVD Description

Incorrect boundary conditions in the Audio/Video: GMP component. This vulnerability was fixed in Firefox 153, Firefox ESR 115.38, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13.

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