Skip to content
Critical Screen Sharing Vulnerability in macOS Allows Unauthorized Access

Critical Screen Sharing Vulnerability in macOS Allows Unauthorized Access

First seen 6 Aug 2026, 23:23 UTC

Article Content

Browse articles
ThreatCluster AI
ThreatCluster August 7, 2026 at 23:08 UTC
  • CVE-2026-65400 allows unauthorized access to Screen Sharing on macOS.
  • Affected versions include macOS Tahoe, Sequoia, and Sonoma, patched on August 6, 2026.
  • Users are strongly advised to update their systems to prevent potential exploitation.

A serious vulnerability in Apple's Screen Sharing feature was disclosed, affecting macOS versions Tahoe, Sequoia, and Sonoma. The flaw, tracked as CVE-2026-65400, allows attackers on the same network to authenticate without valid credentials, potentially enabling them to view and control the user's screen. This vulnerability was discovered by Alfred Persoli via the Bynario Atlas platform and was patched on August 6, 2026. The issue stems from improper state management in the authentication process, leading to unauthorized access. Users are urged to update their systems immediately to mitigate the risk. Apple has not reported any known exploitation of this vulnerability in the wild. The updates are available for macOS Tahoe 26.6.1, Sequoia 15.7.9, and Sonoma 14.8.9. The vulnerability highlights the risks associated with enabling remote access features without proper security measures.

Start a free Starter trial for enhanced analysis

Ask AI about this cluster

Updated 44d ago How this analysis works

Timeline

2026-04-23
CVE-2026-31532 published
A vulnerability was disclosed affecting macOS systems, details not specified in the articles.
Date unknown
2026-07-27
CVE-2026-43760 published
A vulnerability related to Screen Sharing was disclosed, leading to unauthorized access risks.
Huntress
2026-08-06
Apple releases security updates
Apple patched a critical Screen Sharing vulnerability allowing unauthorized access on macOS.
9To5Mac
2026-08-06
CVE-2026-65400 published
Vulnerability assigned a CVE identifier and published in the National Vulnerability Database.
MITRE
2026-08-07
Critical vulnerability disclosed
A serious flaw in macOS Screen Sharing was highlighted, allowing network attackers to bypass authentication.
Au.Pcmag

More articles in this cluster (79)

Following this threat?

Track Apple and CVE-2026-31532 in your own feed — you're alerted when they show up in new reporting, leak sites or exploitation.

Free account · no card needed