Memory corruption in macOS - CVE-2025-43346

Vulnerability identifier: #VU115296

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-2025-43346

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 Audio. A local application can trick the victim into opening a specially crafted file and perform unexpected app termination or corrupt process memory.

macOS
visionOS
watchOS
tvOS
iPadOS
Apple iOS

Install update from vendor's website.

macOS - update to 26.0 25A354
visionOS - update to 26.0 23M336
watchOS - update to 26.0 23R352
tvOS - update to 26.0 23J353
iPadOS - addressed in versions 18.7 22H20, 26.0 23A341
Apple iOS - addressed in versions 18.7 22H20, 26.0 23A341

• https://support.apple.com/en-us/125110

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