AUGUST 4, 2026
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Case File

CVE-2026-0881

CRITICAL · CVSS 10 EPSS 0.31%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2026-01-13 · Last synced 2026-08-04

CyberRota Analysis

This is a critical severity vulnerability with a CVSS score of 10.0. It affects Firefox.

CVE
CVE-2026-0881
Severity
CRITICAL
CVSS
10
EPSS
0.31%
Firefox

Original NVD Description

Sandbox escape in the Messaging System component. This vulnerability was fixed in Firefox 147 and Thunderbird 147.

Related CVEs

Other vulnerabilities affecting the same vendor(s)

CVE-2026-16412 CRITICAL CVE-2026-16411 CRITICAL CVE-2026-16410 CRITICAL CVE-2026-16409 HIGH CVE-2026-16408 CRITICAL CVE-2026-16407 CRITICAL