CVE-2026-20605
Analyzed Analyzed - Analysis Complete

Memory Corruption in Apple OS Causes System Process Crash

Vulnerability report for CVE-2026-20605, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.

Publication date: 2026-02-11

Last updated on: 2026-04-02

Assigner: Apple Inc.

Description

The issue was addressed with improved memory handling. This issue is fixed in iOS 18.7.5 and iPadOS 18.7.5, macOS Sequoia 15.7.4, macOS Sonoma 14.8.4, macOS Tahoe 26.3. An app may be able to crash a system process.

CVSS Scores

EPSS Scores

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Meta Information

Published
2026-02-11
Last Modified
2026-04-02
Generated
2026-07-06
AI Q&A
2026-02-12
EPSS Evaluated
2026-07-05
NVD
EUVD

Affected Vendors & Products

Showing 5 associated CPEs
Vendor Product Version / Range
apple ipados to 18.7.5 (exc)
apple iphone_os to 18.7.5 (exc)
apple macos From 15.0 (inc) to 15.7.4 (exc)
apple macos From 26.0 (inc) to 26.3 (exc)
apple macos From 14.0 (inc) to 14.8.4 (exc)

Helpful Resources

Exploitability

CWE
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KEV
KEV Icon
CWE ID Description
CWE-119 The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.

Attack-Flow Graph

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Executive Summary

This vulnerability involves improper memory handling in certain Apple operating systems. Due to this issue, an application may be able to cause a system process to crash.

Impact Analysis

The vulnerability can impact you by allowing an app to crash a system process, which could lead to system instability or denial of service.

Compliance Impact

I don't know

Detection Guidance

I don't know

Mitigation Strategies

To mitigate this vulnerability, update your Apple devices to the fixed versions of the operating systems: macOS Sequoia 15.7.4, iOS 18.7.5, iPadOS 18.7.5, macOS Tahoe 26.3, or macOS Sonoma 14.8.4.

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EPSS Chart