CVSS v3
7.1
HIGH
EPSS Score
0.3%
exploit probability
CISA KEV
Yes
known exploited
Exploitation
—
SSVC status
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.
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.
Yes. CVE-2026-65400 is on the CISA Known Exploited Vulnerabilities (KEV) catalog, meaning it has been confirmed as actively exploited in the wild. CISA requires federal agencies to patch by 8/21/2026.
CVE-2026-65400 has a CVSS v3 base score of 7.1 (HIGH severity), with vector string 3.1.
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Ranked by exploit probability (EPSS).