Update your Mac: Screen Sharing vulnerability exploited in the wild

The Dutch National Cyber Security Centre NCSC issued a warning after being notified of several incidents where a vulnerability in Apple’s Screen Sharing feature was exploited to install Monero cryptominers. The vulnerability, tracked as CVE-2026-65400, was patched by Apple on August 6. It is an...

Apple macOS Screen Sharing Flaw Exploited on Internet-Exposed Macs to Install Monero Miner

A recently patched security flaw in Apple macOS has come under active exploitation in the wild to deploy a cryptocurrency miner, the Netherlands National Cyber Security Centre NCSC-NL has warned. The vulnerability in question is CVE-2026-65400 CVSS score: 9.8, a critical authentication issue...

VulnCheck KEV: CVE-2026-65400

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...

CVE-2026-65400

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...

macOS 26.x < 26.6.1 (148170)

The remote host is running a version of macOS / Mac OS X that is 26.x prior to 26.6.1. It is, therefore, affected by a vulnerability: - An authentication issue was addressed with improved state management. CVE-2026-65400 Note that Nessus has not tested for this issue but has instead relied only o...

About the security content of macOS Sequoia 15.7.9

About the security content of macOS Sequoia 15.7.9 This document describes the security content of macOS Sequoia 15.7.9. About Apple security updates For our customers' protection, Apple doesn't disclose, discuss, or confirm security issues until an investigation has occurred and patches or...

macOS 14.x < 14.8.9 (148172)

The remote host is running a version of macOS / Mac OS X that is 14.x prior to 14.8.9. It is, therefore, affected by a vulnerability: - An authentication issue was addressed with improved state management. CVE-2026-65400 Note that Nessus has not tested for this issue but has instead relied only o...