Use-after-free in macOS - CVE-2026-28994

Vulnerability identifier: #VU131088

CSH Severity: Medium

CVSS v4: 7.1 [CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2026-28994

CWE-ID: CWE-416

Exploitation vector: Adjecent network

Exploit availability: No public exploit available

The vulnerability allows a remote attacker to cause a denial of service.

The vulnerability exists due to use-after-free in Wi-Fi when handling wireless network traffic. A remote attacker can send specially crafted wireless traffic to cause a denial of service.

macOS
iPadOS
Apple iOS
tvOS
watchOS

Install update from vendor's website.

macOS - addressed in versions 26.5 25F71, 14.8.7 23J520, 15.7.7 24G720
iPadOS - addressed in versions 18.7.9 22H355, 26.5 23F77
Apple iOS - addressed in versions 18.7.9 22H355, 26.5 23F77
tvOS - update to 26.5 23L471
watchOS - update to 26.5 23T570

• https://support.apple.com/en-us/127115

• Multiple vulnerabilities in Apple macOS Tahoe
• Multiple vulnerabilities in macOS Sequoia
• Multiple vulnerabilities in Apple macOS Sonoma
• Multiple vulnerabilities in Apple iOS 18 and iPadOS 18
• Multiple vulnerabilities in Apple iOS 26 and iPadOS 26
• Multiple vulnerabilities in Apple tvOS
• Multiple vulnerabilities in Apple watchOS