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9.8
CVE-2026-65400: macOS Screen Sharing Authentication Bypass
CVE-2026-65400 · published 11 days ago
Summary
A security issue in macOS Screen Sharing allowed an attacker on the same network to access the feature without a password. This could potentially let an unauthorized person see or control your Mac's screen. To fix this, update to macOS Sequoia 15.7.9, macOS Sonoma 14.8.9, or macOS Tahoe 26.6.1.
What to do
No fix is available yet. Check with your software vendor for updates.
Affected software
| Vendor | Product | Affected versions |
|---|---|---|
| apple | macos |
< 14.8.9 >= 14.0, < 14.8.9 >= 15.0, < 15.7.9 >= 26.0, < 26.6.1 |
Original advisory text
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...
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.
Severity
9.8
Critical
Exploitation
EPSS <1%
Type
CWE-287Improper Authentication
Timeline
Published6 Aug 2026
Updated17 Aug 2026
First seen6 Aug 2026
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