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CVE-2026-100778

CVE-2026-100778. CVSS base score 9.6 (CRITICAL, Source advisory). EPSS 0.0034 (percentile 0.25199), scored 2026-10-04.

Published 2026-10-05 23:10:21.490484+00:00

CWE

CWE-416

CCR priority

38.5 /100 (P4)

CVSS

9.6 /10 · CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H · Source advisory

EPSS

0.0034 · percentile 0.25199 · 2026-10-04

KEV

no

Affected products

• cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*

Provenance

• NVD CVE API 2.0 · Source record · observed 2026-10-05 23:09:08.830529+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2026-100778.html