macOS · macOS update · August 6, 2026

Sequoia 15.7.9

Sequoia 15.7.9, released August 6, 2026, fixes 1 CVE in Sequoia. One of them is being exploited (CVE-2026-65400); 1 on CISA KEV. Patch Radar priority: Patch now.

Patch now1 on CISA KEV

CVEs closed

1 rated Critical

Exploited

CVE-2026-65400

Highest CVSS

9.8

Base score, 0 to 10

Highest EPSS

0.0172

77th percentile

Applies to

Product	Version
Sequoia	15.7.9

CVEs this fix closes

Priority	CVE	Title	Impact	CVSS	EPSS	Exploitation
Patch now	CVE-2026-65400	Screen Sharing: An attacker on the network may be able to authenticate to Screen Sharing without valid credentials	An attacker on the network may be able to authenticate to Screen Sharing without valid credentials	9.8	0.0172	KEVExploited

Other Sequoia versions with security fixes

Vendor advisory

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

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