CVE-2026-84572 Apple macOS - Out of Bounds Read

Apple macOS Golden Gate 27, macOS Sequoia 15.8, and macOS Tahoe 26.7 contain an out-of-bounds read caused by insufficient bounds checking, letting apps cause system termination or read kernel memory, exploit requires app execution.

CVSS base score 7.1 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Required
EPSS
0.16% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Out of Bounds Read
Impact
Denial Of Service, Information Disclosure
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
Published
14 September 2026
Updated
15 October 2026
Weakness
CWE-125

Vendor fix

Update to macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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