CVE-2026-65400

CriticalCVSS 9.8

Published: 06/08/2026(UTC)Updated: 14/08/2026(UTC)Translated: 07/08/2026(UTC)NVD NIST

Exploitation Probability (EPSS)

Low risk

0.31%

24th percentile - higher than 24% of all known CVEs

Summary

An authentication issue was addressed with improved state management. This issue affects macOS Sequoia 15.7.9, macOS Sonoma 14.8.9, and macOS Tahoe 26.6.1. A network attacker may be able to authenticate to Screen Sharing without valid credentials.

Risk Assessment

Unauthorized access to Screen Sharing sessions can lead to desktop takeover, eavesdropping, or data theft.

Recommendation

Update macOS to the latest version containing the fix, and consider restricting Screen Sharing access to trusted networks only.

Original NVD description (English source)

An authentication issue was addressed with improved state management. This issue is fixed in macOS Sequoia 15.7.9, macOS Sonoma 14.8.9, macOS Tahoe 26.6.1. An attacker on the network may be able to authenticate to Screen Sharing without valid credentials.