SEPTEMBER 7, 2026
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Case File

CVE-2026-16393

CRITICAL · CVSS 9.1 EPSS 0.30%

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

CyberRota Analysis

AI-Generated

A critical vulnerability in the WebGPU component of Firefox allows for incorrect boundary conditions, potentially leading to arbitrary code execution. Users of Firefox and Thunderbird versions prior to 153 are at risk and should prioritize immediate updates to mitigate exploitation risks. Organizations relying on these applications for web-based graphics processing should take urgent action to ensure their systems are patched.

CVE
CVE-2026-16393
Severity
CRITICAL
CVSS
9.1
EPSS
0.30%
Firefox

Original NVD Description

Incorrect boundary conditions in the Graphics: WebGPU component. This vulnerability was fixed in Firefox 153 and Thunderbird 153.

Related CVEs

Other vulnerabilities affecting the same vendor(s)