Out-of-Bounds Write Vulnerability in Apple iOS and macOS Products
CVE-2026-84613

6.5MEDIUM

Key Information:

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

What is CVE-2026-84613?

An out-of-bounds write vulnerability in Apple's software products could allow an attacker within radio range to exploit the issue, potentially leading to unexpected system terminations. This security flaw has been addressed with improved bounds checking in multiple versions of iOS and macOS, ensuring enhanced protection against unauthorized access and system disruption.

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:

6.5

Severity:

MEDIUM

Confidentiality:

None

Integrity:

None

Availability:

None

Attack Vector:

Adjacent Network

Attack Complexity:

Low

Privileges Required:

None

User Interaction:

None

Scope:

Unchanged

Download the Critical Vulnerability Management Cheat Sheet

Timeline

Vulnerability published
Oct 20, 2026
Vulnerability Reserved
Sep 1, 2026

CVE-2026-84613 Data

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