CVE-2026-28946

Modified Modified - Updated After Analysis

Memory Corruption in macOS Tahoe via Safari Content

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 macOS Tahoe 26.5. Processing maliciously crafted web content may lead to an unexpected Safari crash.

CVSS Scores

EPSS Scores

Probability:
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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-2026-28946

Affected Vendors & Products

Vendor	Product	Version / Range
apple	safari	to 26.5 (inc)
apple	macos_tahoe	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 Any operations using the original pointer are no longer valid because the memory "belongs" to the code that operates on the new pointer.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 related to memory management in Safari on macOS Tahoe. It occurs when processing maliciously crafted web content, which can cause Safari to crash unexpectedly.

Impact Analysis

The vulnerability can lead to an unexpected crash of the Safari browser when it processes malicious web content. This may disrupt your browsing experience and could potentially be exploited to cause denial of service.

Mitigation Strategies

To mitigate this vulnerability, update your system to macOS Tahoe 26.5 or later, where the issue has been fixed.

Avoid processing maliciously crafted web content in Safari until the update is applied.

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