CVE-2026-28853 Apple macOS - Privilege Escalation

Apple macOS Sequoia < 15.8 and macOS Tahoe < 26.7 contain a privilege escalation caused by insufficient privilege checks, letting apps elevate privileges, exploit requires app execution.

CVSS base score 7.8 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Required
View the NVD record ↗

Details

Type
Privilege Escalation
Impact
Privilege Escalation
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Published
20 October 2026
Updated
20 October 2026
Weakness
CWE-269

Vendor fix

Update to macOS Sequoia 15.8 and 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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