CVE-2026-39874: macos from 14.0 (inclusive), before 14.8.8 (exclusive), from 15.0 (inclusive), before 15.7.8 (exclusive), from 26.0…

CVE-2026-39874. CVSS 3.1 base score 7.8 (HIGH, Source advisory). EPSS 0.00154 (percentile 0.04211), scored 22-Oct-2026.

Affected technology

macos · from 14.0 (inclusive), before 14.8.8 (exclusive)
apple

macos · from 15.0 (inclusive), before 15.7.8 (exclusive)
apple

macos · from 26.0 (inclusive), before 26.6 (exclusive)
apple

macOS · 0 to before 14.8.8, 0 to before 15.7.8, 0 to before 26.6
Apple

Component: Not specified by the source

Attack conditions (Source advisory, CVSS 3.1): Local · Low privileges required · No user interaction required

What an attacker can do

Source advisory’s CVSS 3.1 assessment (base score 7.8/10) rates confidentiality, integrity and availability impact as high. The description does not specify what an attacker can achieve beyond these rated impacts.

Published 24-Oct-2026 15:08 UTC

CWE: CWE-276
CCR priority: 31.2 /100 (P4)
CVSS 3.1: 7.8 /10 · CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H · Source advisory
EPSS: 0.00154 · percentile 0.04207 · 2026-10-24
KEV: no

Provenance

FIRST EPSS daily exploit-probability · Source record · observed 2026-10-24 15:09:16.138216+00:00 UTC
NVD CVE API 2.0 · Source record · observed 2026-10-24 15:07:27.951960+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2026-39874.html