CVE-2026-65400CISA KEVEPSS p76.7%

CVE-2026-65400Apple macOS Improper Authentication Vulnerability

Apple / macOS

Description

Apple macOS contains an improper authentication vulnerability that could allow an attacker on the network to authenticate to Screen Sharing without valid credentials.

Scoring

CVSS 9.8 ()
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS1.72% probability of exploitation · percentile 76.7% · 2026-10-05T12:00:23Z
Last modified2026-09-15

CISA KEV entry

Added to KEV: 2026-08-18

Sourced from NVD + CISA KEV + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.