Use After Free Vulnerability in Apple Operating Systems
CVE-2026-86913

5.4MEDIUM

Key Information:

Vendor

Apple
Status
iOS And iPad OS
Mac OS
TV OS
Visionos
Vendor
CVE Published:
20 October 2026

What is CVE-2026-86913?

A use after free vulnerability has been identified in Apple's operating systems, affecting iOS, iPadOS, macOS, tvOS, visionOS, and watchOS. This issue arises from improper memory management when processing maliciously crafted media files. Exploitation of this vulnerability could result in unexpected application termination or memory corruption, posing significant risks to device stability and user data integrity. Apple has addressed the issue in updates across various platforms, urging users to upgrade their devices to mitigate these risks.

Affected Version(s)

iOS and iPadOS 0 < 26.7

iOS and iPadOS 0 < 27

macOS 0 < 15.8

References

https://support.apple.com/en-us/149034
https://support.apple.com/en-us/149035
https://support.apple.com/en-us/149036

CVSS V3.1

Score:
5.4
Severity:
MEDIUM
Confidentiality:
None
Integrity:
Low
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.