AUGUST 15, 2026
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Case File

CVE-2026-65400

CRITICAL · CVSS 9.8 EPSS 0.31%

Source: NVD + CISA KEV + EPSS · Published 2026-08-06 · Last synced 2026-08-15

CyberRota Analysis

AI-Generated

An authentication vulnerability in the Screen Sharing feature of macOS allows attackers on the same network to gain unauthorized access without valid credentials. This issue has been resolved in macOS Sequoia 15.7.9, macOS Sonoma 14.8.9, and macOS Tahoe 26.6.1. Organizations using these macOS versions should prioritize updating to mitigate the risk of unauthorized access to sensitive systems.

CVE
CVE-2026-65400
Severity
CRITICAL
CVSS
9.8
EPSS
0.31%

Original NVD Description

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.

Related CVEs

Other vulnerabilities affecting the same vendor(s)