Memory corruption in macOS - CVE-2025-43447
Published: November 4, 2025
Vulnerability identifier: #VU117974
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-2025-43447
CWE-ID: CWE-119
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local application to escalate privileges on the system.
The vulnerability exists due to a boundary error in Apple Neural Engine. A local application can cause unexpected system termination or corrupt kernel memory.
Affected software
macOS
visionOS
Apple iOS
iPadOS
watchOS
visionOS
Apple iOS
iPadOS
watchOS
How to mitigate CVE-2025-43447
Install update from vendor's website.
macOS - update to 26.1 25B78
visionOS - update to 26.1
Apple iOS - update to 26.1 23B85
iPadOS - update to 26.1 23B85
watchOS - update to 26.1 23S37
visionOS - update to 26.1
Apple iOS - update to 26.1 23B85
iPadOS - update to 26.1 23B85
watchOS - update to 26.1 23S37