SEPTEMBER 18, 2026
Live Feed
Back to database
Case File

CVE-2026-8948

CRITICAL · CVSS 9.1 EPSS 0.42%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2026-05-19 · Last synced 2026-08-04

CyberRota Analysis

This is a critical severity vulnerability with a CVSS score of 9.1. It affects Firefox.

CVE
CVE-2026-8948
Severity
CRITICAL
CVSS
9.1
EPSS
0.42%
Firefox

Original NVD Description

Same-origin policy bypass in the DOM: Networking component. This vulnerability was fixed in Firefox 151 and Thunderbird 151.

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