Out-of-Bounds Write Vulnerability in Apple Operating Systems
CVE-2026-84575

7.8HIGH

Key Information:

Vendor

Apple

Vendor
CVE Published:
14 September 2026

What is CVE-2026-84575?

An out-of-bounds write issue exists in various Apple operating systems, including iOS and macOS. This vulnerability stems from insufficient bounds checking, which can be exploited by processing a specially crafted file. Such exploitation may lead to unexpected app terminations, affecting the stability and performance of devices. Users are advised to update to the latest software versions to mitigate this security risk.

Affected Version(s)

iOS and iPadOS 0 < 27

macOS 0 < 15.8

macOS 0 < 26.7

References

CVSS V3.1

Score:
7.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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