CVE-2026-28852
Received Received - Intake
Stack Overflow in Apple OSes Causes Potential Denial-of-Service

Publication date: 2026-03-25

Last updated on: 2026-03-25

Assigner: Apple Inc.

Description
A stack overflow was addressed with improved input validation. This issue is fixed in iOS 18.7.7 and iPadOS 18.7.7, iOS 26.4 and iPadOS 26.4, macOS Sequoia 15.7.5, macOS Tahoe 26.4, tvOS 26.4, visionOS 26.4, watchOS 26.4. An app may be able to cause a denial-of-service.
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Meta Information
Published
2026-03-25
Last Modified
2026-03-25
Generated
2026-06-16
AI Q&A
2026-03-25
EPSS Evaluated
2026-06-15
NVD
CVE-2026-28852
EUVD
EUVD-2026-15123
Affected Vendors & Products
Showing 9 associated CPEs
Vendor Product Version / Range
apple macos From 15.0 (inc) to 15.7.5 (exc)
apple macos From 26.0 (inc) to 26.4 (exc)
apple ipados to 18.7.7 (exc)
apple ipados From 26.0 (inc) to 26.4 (exc)
apple iphone_os to 18.7.7 (exc)
apple iphone_os From 26.0 (inc) to 26.4 (exc)
apple tvos to 26.4 (exc)
apple visionos to 26.4 (exc)
apple watchos to 26.4 (exc)
Helpful Resources
Exploitability
CWE
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KEV
KEV Icon
CWE ID Description
CWE-20 The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.
Attack-Flow Graph
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Executive Summary

This vulnerability is a stack overflow issue that was addressed by improving input validation in affected Apple operating systems.

A stack overflow occurs when a program writes more data to a buffer located on the stack than what is actually allocated, which can lead to unexpected behavior or crashes.

In this case, the vulnerability could allow an app to cause a denial-of-service condition.

Impact Analysis

This vulnerability can impact you by allowing a malicious app to cause a denial-of-service (DoS) on your device.

A denial-of-service means the affected device or application could become unresponsive or crash, disrupting normal usage.

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 where the issue is addressed.

  • Update iOS devices to iOS 18.7.7 or iOS 26.4.
  • Update iPadOS devices to iPadOS 18.7.7 or iPadOS 26.4.
  • Update macOS Sequoia devices to macOS Sequoia 15.7.5.
  • Update macOS Tahoe devices to macOS Tahoe 26.4.
  • Update tvOS devices to tvOS 26.4.
  • Update visionOS devices to visionOS 26.4.
  • Update watchOS devices to watchOS 26.4.
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