CVE-2019-8526 is a vulnerability in Apple Mac OSX
Published on December 18, 2019

A use after free issue was addressed with improved memory management. This issue is fixed in macOS Mojave 10.14.4. An application may be able to gain elevated privileges.

Vendor Advisory NVD

Known Exploited Vulnerability

This Apple macOS Use-After-Free Vulnerability is part of CISA's list of Known Exploited Vulnerabilities. Apple macOS contains a use-after-free vulnerability that could allow for privilege escalation.

The following remediation steps are recommended / required by May 8, 2023: Apply updates per vendor instructions.

Vulnerability Analysis

CVE-2019-8526 is exploitable with local system access, and requires small amount of user privileges. This vulnerability is considered to have a low attack complexity. It has an exploitability score of 1.8 out of four. The potential impact of an exploit of this vulnerability is considered to be very high.

What is a Dangling pointer Vulnerability?

Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code.

CVE-2019-8526 has been classified to as a Dangling pointer vulnerability or weakness.

Products Associated with CVE-2019-8526

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Apple Mac OSX

What versions of Mac OSX are vulnerable to CVE-2019-8526?