CVE-2026-84505: An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7. An…

PriorityP344high7.8CVSS 3.1

AVLACLPRLUINSUCHIHAH

EPSS

0.17%

6.4th percentile

An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7. An app may be able to gain root privileges.

Affected

5 ranges

Vendor	Product	Version range	Fixed in
apple	macos	< 15.8	15.8
apple	macos	< 26.7	26.7
apple	macos	< 27	27
apple	macos	>= 15.0 < 15.8	15.8
apple	macos	>= 26.0 < 26.7	26.7

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.