CVE-2026-28976: An information leakage was addressed with additional validation. This issue is fixed in macOS Tahoe 26.5. An app may be able to gain root privileges.

PriorityP343high7.5CVSS 3.1

AVNACLPRNUINSUCHINAN

EPSS

0.30%

22.5th percentile

An information leakage was addressed with additional validation. This issue is fixed in macOS Tahoe 26.5. An app may be able to gain root privileges.

Affected

2 ranges

Vendor	Product	Version range	Fixed in
apple	macos	< 26.5	26.5
apple	macos	>= 26.0 < 26.5	26.5

Stop checking back — get the weekly exploitation signal.

Every Monday: what got weaponized or added to CISA KEV in the last seven days — each CVE cross-linked to its PoC, Nuclei template, and detection rule. Free, one email a week, unsubscribe in one click.