CVE-2026-84563
CVSS v3
7.5
HIGH
EPSS Score
0.4 %
exploit probability, as of 2026-09-28
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
A logic issue was addressed with improved checks. This issue is fixed in macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7. An app may be able to cause unexpected system termination.
Technical details
- Published
- 2026-09-14
- Last Modified
- 2026-09-15
Frequently asked questions
What is CVE-2026-84563?
A logic issue was addressed with improved checks. This issue is fixed in macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7. An app may be able to cause unexpected system termination.
Is CVE-2026-84563 actively exploited?
Active exploitation of CVE-2026-84563 has not been confirmed. Its EPSS score was 0.4% on 2026-09-28, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2026-84563?
CVE-2026-84563 has a CVSS v3 base score of 7.5 (HIGH severity).
Is CVE-2026-84563 affecting your environment?
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