Stack Overflow Vulnerability in Apple Devices and Operating Systems
CVE-2026-86919

8.8HIGH

Key Information:

Vendor

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

What is CVE-2026-86919?

A stack overflow vulnerability has been identified in several Apple operating systems, which could allow an attacker with a paired Bluetooth device to execute arbitrary code. This issue has been addressed through improved input validation. Users are encouraged to update their devices to the latest versions to ensure protection against potential exploitation.

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/149038

CVSS V3.1

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Adjacent Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.