CVE-2025-43421: safari before 26.1 (exclusive); +7 more affected products

CVE-2025-43421. CVSS 3.1 base score 4.3 (MEDIUM, Source advisory). EPSS 0.00647 (percentile 0.49965), scored 17-Oct-2026.

Affected technology

safari · before 26.1 (exclusive)
apple

ipados · before 26.1 (exclusive)
apple

iphone os · before 26.1 (exclusive)
apple

visionos · before 26.1 (exclusive)
apple

Safari · 0 to before 26.1
Apple

iOS and iPadOS · 0 to before 26.1
Apple

macOS · 0 to before 26.1
Apple

visionOS · 0 to before 26.1
Apple

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 4.3/10) rates confidentiality and integrity impact as none; availability impact as low. The description does not specify what an attacker can achieve beyond these rated impacts.

Published 18-Oct-2026 22:53 UTC

CWE: CWE-125, CWE-787
CCR priority: 17.4 /100 (P5)
CVSS 3.1: 4.3 /10 · CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L · Source advisory
EPSS: 0.00647 · percentile 0.49965 · 2026-10-17
KEV: no

Provenance

NVD CVE API 2.0 · Source record · observed 2026-10-18 22:50:08.248207+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2025-43421.html