CVE-2026-64699
Medium
Description
A memory initialization issue was addressed with improved memory handling. This issue is fixed in macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6. An app may be able to disclose kernel memory.
SeverityMedium
CVSS5.5
Exploit probability—
Product
Apple Macos
PublishedJul 27, 2026
First seenJul 27, 2026
Weakness typeCWE-457CWE-457
How to fix
Update
- apple macos14.8.8, 15.7.8, 26.6 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| apple macos | 14.0 ≤ v < 14.8.8, 15.0 ≤ v < 15.7.8, 26.0 ≤ v < 26.6 | 14.8.8, 15.7.8, 26.6 |
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