AppleCVE-2026-28911

Apple macOS: memory corruption

CVE-2026-28911 · Published Jul 27, 2026 · updated Jul 29, 2026

Critical9.8

Fix: upgrade to 14.8.8 or later (2 fixed versions below)

The issue was addressed with improved memory handling. This issue is fixed in macOS Sonoma 14.8.8, macOS Tahoe 26.6. A malicious app may be able to corrupt memory of a system process.

Affected versions

Package	Affected	Fixed in
macOS Product	< 14.8.8	14.8.8
	< 26.6	26.6

Details and references

CVSS 3.1: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Severity from: CISA (its enrichment of the CVE record)
Weakness: CWE-119

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