6.5
Medium
CVE-2026-86900 An out-of-bounds read issue was addressed with improved input validation
Description
An out-of-bounds read issue was addressed with improved input validation. This issue is fixed in macOS Golden Gate 27. Mounting a maliciously crafted exFAT volume may cause unexpected system termination or kernel memory disclosure.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| macOS 27 | earliest → < 27 | 27 |
Other CVEs of macOS
The 3813 CVEs of macOS →
CVE-2026-86925
An authorization issue was addressed with improved state management
5.5
Medium
CVE-2026-84627
A buffer overflow was addressed with improved bounds checking
7.8
High
CVE-2026-113945
An out-of-bounds read was addressed with improved bounds checking
5.5
Medium
CVE-2026-65327
A logic issue was addressed with improved checks
8.4
High