CVE-2026-28883

Modified Modified - Updated After Analysis

Use-After-Free in Apple iOS and iPadOS 26.5

Publication date: 2026-05-11

Last updated on: 2026-06-30

Assigner: Apple Inc.

Description

A use-after-free issue was addressed with improved memory management. This issue is fixed in iOS 26.5 and iPadOS 26.5, macOS Tahoe 26.5, tvOS 26.5, visionOS 26.5, watchOS 26.5. Processing maliciously crafted web content may lead to an unexpected process crash.

CVSS Scores

EPSS Scores

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Meta Information

Published

2026-05-11

Last Modified

2026-06-30

Generated

2026-07-11

AI Q&A

2026-05-12

EPSS Evaluated

2026-07-10

NVD

CVE-2026-28883

Affected Vendors & Products

Vendor	Product	Version / Range
apple	ios	26.5
apple	ipad_os	26.5
apple	macos_tahoe	26.5
apple	tv_os	26.5
apple	vision_os	26.5
apple	watch_os	26.5

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-416	The product reuses or references memory after it has been freed. At some point afterward, the memory may be allocated again and saved in another pointer, while the original pointer references a location somewhere within the new allocation. Any operations using the original pointer are no longer valid because the memory "belongs" to the code that operates on the new pointer.

Attack-Flow Graph

Executive Summary

This vulnerability is a use-after-free issue, which means that the software attempts to use memory after it has been freed. This can lead to unpredictable behavior. In this case, the issue was related to memory management and has been fixed in several Apple operating system versions including iOS 26.5, iPadOS 26.5, macOS Tahoe 26.5, tvOS 26.5, visionOS 26.5, and watchOS 26.5.

The vulnerability could be triggered by processing maliciously crafted web content, which may cause an unexpected process crash.

Impact Analysis

Exploitation of this vulnerability may lead to an unexpected process crash when processing malicious web content. This could result in denial of service or instability of the affected application or system.

Mitigation Strategies

To mitigate this vulnerability, update your Apple devices to the fixed versions: iOS 26.5, iPadOS 26.5, macOS Tahoe 26.5, tvOS 26.5, visionOS 26.5, or watchOS 26.5.

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