Actively exploited in the wild
Apple macOS Use-After-Free Vulnerability
Apple - macOS · Listed in the CISA KEV since 2023-04-17. This indicates confirmed attacks in production environments.
Required action: Apply updates per vendor instructions.
CVE-2019-8526
HighCVSS 7.8KEVSummary
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.
Risk Assessment
A malicious application could exploit the vulnerability to gain elevated privileges, potentially leading to system compromise. The risk applies to users of macOS Mojave 10.14.4.
Recommendation
Update macOS Mojave to version 10.14.4 or later containing the fix. Avoid running untrusted applications.
Other vulnerabilities in Apple macOS
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A use after free issue was addressed with improved memory management. The fix is included in macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, and macOS Tahoe 26.6. An app may be able to cause a denial-of-service.
- CVE-2026-64702Critical
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- CVE-2026-64697Critical
A memory handling issue was fixed with improved memory management. The vulnerability affects macOS systems. An app may cause unexpected system termination or corrupt kernel memory.
- CVE-2026-64696Critical
A memory handling issue was fixed with improved memory management. The vulnerability affects macOS systems. A remote user may cause unexpected system termination or corrupt kernel memory.
Original NVD description (English source)
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.