CVE-2026-39870
Received Received - Intake
Memory Corruption in macOS Image Processing

Publication date: 2026-05-11

Last updated on: 2026-05-11

Assigner: Apple Inc.

Description
The issue was addressed with improved memory handling. This issue is fixed in macOS Sequoia 15.7.7, macOS Sonoma 14.8.7, macOS Tahoe 26.5. Processing a maliciously crafted image may corrupt process memory.
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Meta Information
Published
2026-05-11
Last Modified
2026-05-11
Generated
2026-06-21
AI Q&A
2026-05-12
EPSS Evaluated
2026-06-20
NVD
CVE-2026-39870
Affected Vendors & Products
Showing 3 associated CPEs
Vendor Product Version / Range
apple macos_sequoia to 15.7.7 (inc)
apple macos_sonoma to 14.8.7 (inc)
apple macos_tahoe to 26.5 (inc)
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Exploitability
CWE
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KEV
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CWE ID Description
CWE-UNKNOWN
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Executive Summary

This vulnerability involves improper memory handling when processing a maliciously crafted image on certain macOS versions. Specifically, it can cause corruption of process memory.

The issue has been addressed and fixed in macOS Sequoia 15.7.7, macOS Sonoma 14.8.7, and macOS Tahoe 26.5 by improving memory handling.

Impact Analysis

Processing a maliciously crafted image could corrupt process memory, which may lead to application crashes, unexpected behavior, or potentially allow an attacker to execute arbitrary code or escalate privileges.

Mitigation Strategies

The vulnerability is fixed in macOS Sequoia 15.7.7, macOS Sonoma 14.8.7, and macOS Tahoe 26.5. To mitigate this vulnerability, you should update your system to one of these versions or later.

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