Buffer overflow in macOS - CVE-2022-26768

Vulnerability identifier: #VU63255

CSH Severity: Low

CVSS v4: 8.5 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2022-26768

CWE-ID: CWE-119

Exploitation vector: Local access

Exploit availability: No public exploit available

The vulnerability allows a local application to escalate privileges on the system.

The vulnerability exists due to a boundary error in IOMobileFrameBuffer. A local application can trigger memory corruption and execute arbitrary code with kernel privileges.

macOS
watchOS
iPadOS
Apple iOS
tvOS

Install updates from vendor's website.

macOS - addressed in versions 12.4 21F79, 11.6.6 20G624
watchOS - update to 8.6 19T572
iPadOS - addressed in versions 15.5 19F77, 15.6 19G71
Apple iOS - addressed in versions 15.5 19F77, 15.6 19G71
tvOS - update to 15.5 19L570

• https://support.apple.com/en-us/HT213257

• Multiple vulnerabilities in Apple macOS Monterey
• Multiple vulnerabilities in Apple macOS Big Sur
• Multiple vulnerabilities in Apple iOS and iPadOS
• Multiple vulnerabilities in Apple watchOS
• Multiple vulnerabilities in Apple tvOS
• Multiple vulnerabilities in Apple iOS and iPadOS