OCTOBER 6, 2026
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Case File

CVE-2026-100775

CRITICAL · CVSS 9.6 EPSS 0.35%

Source: NVD + CISA KEV + EPSS · Published 2026-09-29 · Last synced 2026-10-06

CyberRota Analysis

AI-Generated

A sandbox escape vulnerability in the Graphics component of Firefox could allow an attacker to execute arbitrary code outside of the intended security boundaries. This issue affects multiple versions of Firefox, including ESR releases, and poses a significant risk to users who rely on these versions for secure browsing. Organizations and individuals using affected Firefox versions should prioritize updating to the patched releases to mitigate potential exploitation.

CVE
CVE-2026-100775
Severity
CRITICAL
CVSS
9.6
EPSS
0.35%
Firefox

Original NVD Description

Sandbox escape in the Graphics component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 140.17, Thunderbird 153.4, Firefox 157, Firefox ESR 115.42, and Firefox ESR 140.17.

Related CVEs

Other vulnerabilities affecting the same vendor(s)