Buffer overflow in macOS - CVE-2026-28822

Vulnerability identifier: #VU124354

CSH Severity: Low

CVSS v4: 4.6 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]

CVE-ID: CVE-2026-28822

CWE-ID: CWE-119

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows a remote attacker to perform a denial of service attack.

The vulnerability exists due to a boundary error in the Audio subsystem. A remote attacker can trick the victim into opening a specially crafted media file, trigger memory corruption and perform a denial of service attack.

macOS
Apple iOS
iPadOS
tvOS
visionOS
watchOS

Install updates from vendor's website.

macOS - addressed in versions 26.4 25E246, 14.8.5 23J423, 15.7.5 24G624
Apple iOS - update to 26.4 23E246
iPadOS - update to 26.4 23E246
tvOS - update to 26.4 23L243
visionOS - update to 26.4
watchOS - update to 26.4 23T240

• https://support.apple.com/en-us/126794

• Multiple vulnerabilities in Apple macOS Tahoe
• Multiple vulnerabilities in macOS Sequoia
• Multiple vulnerabilities in Apple macOS Sonoma
• Multiple vulnerabilities in Apple iOS 26 and iPadOS 26
• Multiple vulnerabilities in Apple tvOS
• Multiple vulnerabilities in Apple watchOS
• Multiple vulnerabilities in Apple visionOS