SEPTEMBER 18, 2026
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Case File

CVE-2026-84131

HIGH · CVSS 8.8 EPSS 0.33%

Source: NVD + CISA KEV + EPSS · Published 2026-09-01 · Last synced 2026-09-18

CyberRota Analysis

AI-Generated

A privilege escalation vulnerability exists in the Graphics component of Firefox, allowing attackers to exploit an invalid pointer. This can lead to unauthorized access and control over system resources, posing a significant risk to users. Organizations and individuals using affected versions of Firefox should prioritize updating to the fixed versions to mitigate potential threats.

CVE
CVE-2026-84131
Severity
HIGH
CVSS
8.8
EPSS
0.33%
Firefox

Original NVD Description

Privilege escalation due to invalid pointer in the Graphics component. This vulnerability was fixed in Firefox 155, Firefox ESR 115.40, Firefox ESR 140.15, Firefox ESR 153.2, Thunderbird 155, Thunderbird 140.15, and Thunderbird 153.2.

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