CVE-2026-65400

⚠️ high

Summary

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.

CVSS Score

7.1

High

EPSS Score

0.3

Exploit Probability

Published Date

2026-08-06

First Seen: 2026-08-07

📊 Relative Risk Intelligence

This CVE is Moderate Risk - more severe than 52.5% of all 342,656 vulnerabilities in our database.

#162,607

Above average severity

Severity Percentile

🎯 CISA SSVC Assessment Updated: Aug 7, 2026

🔍 Exploitation Status

None

No known exploits

⚙️ Automatable

Requires human interaction

💥 Technical Impact

Partial

Limited system impact

SSVC data provided by CISA

Last Modified 2026-08-07

Source NVD 🔗

CVSS Vector 3.1 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N

CWE IDs (Weakness Types)

CWE-287

📦 Affected Products 3

Vendor	Product	Status	Affected Versions
apple	macos	Affected	> 14.0 < 14.8.9
apple	macos	Affected	> 15.0 < 15.7.9
apple	macos	Affected	> 26.0 < 26.6.1

🔗 References 3

https://support.apple.com/en-us/148170

Release Notes Vendor Advisory

https://support.apple.com/en-us/148171

Release Notes Vendor Advisory

https://support.apple.com/en-us/148172

Release Notes Vendor Advisory

🔗 Related CVEs 6

CVE ID	Severity	CVSS	EPSS	Summary	Published
CVE-2026-20672	🔶 medium	5.5	0.1	An information disclosure issue was addressed with improved privacy controls. This issue is fixed in macOS Sequoia 15.7....	2026-07-27
CVE-2026-28849	🔶 medium	5.5	0.1	The issue was addressed with improved checks. This issue is fixed in macOS Sequoia 15.7.8, macOS Sonoma 14.8.8. A malici...	2026-07-27
CVE-2026-28896	⚠️ high	7.7	0.1	The issue was addressed with improved memory handling. This issue is fixed in macOS Sequoia 15.7.8, macOS Sonoma 14.8.8....	2026-07-27
CVE-2026-28900	🔶 medium	5.5	0.1	A file quarantine bypass was addressed with additional checks. This issue is fixed in macOS Sequoia 15.7.8, macOS Sonoma...	2026-07-27
CVE-2026-28911	⛔ critical	9.8	0.3	The issue was addressed with improved memory handling. This issue is fixed in macOS Sonoma 14.8.8, macOS Tahoe 26.6. A m...	2026-07-27
CVE-2026-28912	⚠️ high	7.8	0.1	A logic issue was addressed with improved restrictions. This issue is fixed in macOS Sequoia 15.7.8, macOS Tahoe 26.6. A...	2026-07-27

These CVEs affect the same products