CVE-2026-13356: firefox before 152.3 (exclusive)

CVE-2026-13356. CVSS 3.1 base score 6.3 (MEDIUM, Source advisory). EPSS 0.00219 (percentile 0.12309), scored 25-Oct-2026.

Affected technology

firefox · before 152.3 (exclusive)
mozilla

Component: Not specified by the source

Attack conditions (Source advisory, CVSS 3.1): Network (remote) · No privileges required · User interaction required

What an attacker can do

Source advisory’s CVSS 3.1 assessment (base score 6.3/10) rates confidentiality, integrity and availability impact as low. The description does not specify what an attacker can achieve beyond these rated impacts.

Published 25-Oct-2026 21:45 UTC

CWE: CWE-451
CCR priority: 25.3 /100 (P4)
CVSS 3.1: 6.3 /10 · CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L · Source advisory
EPSS: 0.00219 · percentile 0.12309 · 2026-10-25
KEV: no

Provenance

NVD CVE API 2.0 · Source record · observed 2026-10-25 21:44:36.062275+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2026-13356.html