Memory corruption in macOS - CVE-2026-43810

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Main Vulnerability Database Vulnerabilities #VU143731

Memory corruption in macOS - CVE-2026-43810

Published: August 17, 2026


Vulnerability identifier: #VU143731
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-2026-43810
CWE-ID: CWE-119
Exploitation vector: Local access
Exploit availability: No public exploit available

Vulnerability details

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

The vulnerability exists due to a boundary error in Kernel. A local user can trick the victim into opening a specially crafted file and cause unexpected system termination or corrupt kernel memory.


Affected software

macOS
visionOS
tvOS
iPadOS
Apple iOS
watchOS

How to mitigate CVE-2026-43810

Install update from vendor's website.

macOS - addressed in versions 26.6 25G72, 14.8.8 23J620, 15.7.8 24G824
visionOS - update to 26.6
tvOS - update to 26.6 23L773
iPadOS - addressed in versions 18.7.10 22H374, 26.6 23G71
Apple iOS - addressed in versions 18.7.10 22H374, 26.6 23G71
watchOS - update to 26.6 23U67

External References

Related Security Bulletins