Use After Free Vulnerability in Apple Operating Systems and Devices
CVE-2026-43668

7.5HIGH

Key Information:

Vendor

Apple
Status
iOS And iPad OS
Mac OS
TV OS
Visionos
Vendor
CVE Published:
11 May 2026

What is CVE-2026-43668?

A use after free vulnerability has been identified in various Apple operating systems. This issue allows a remote attacker to potentially exploit memory management flaws, which could lead to unexpected system termination or related kernel memory corruption. Users of iOS, iPadOS, macOS, tvOS, visionOS, and watchOS are advised to update to the latest versions to mitigate this vulnerability and ensure optimal security.

Affected Version(s)

iOS and iPadOS 0 < 18.7.9

iOS and iPadOS 0 < 26.5

macOS 0 < 14.8.7

References

https://support.apple.com/en-us/127110
https://support.apple.com/en-us/127111
https://support.apple.com/en-us/127115

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.