CVE-2026-86921
Medium
Description
A permissions issue was addressed with improved validation. This issue is fixed in iOS 26.7 and iPadOS 26.7, iOS 27 and iPadOS 27, macOS Golden Gate 27, visionOS 27. A local attacker may be able to overwrite restricted files.
SeverityMedium
CVSS6.2
Exploit probability—
Product
macOS
PublishedOct 20, 2026
First seenOct 20, 2026
Weakness typeCWE-269Improper privilege management
How to fix
Update
- Apple macOS27 or later
- Apple iOS and iPadOS26.7, 27 or later
- Apple visionOS27 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Apple macOS | v < 27 | 27 |
| Apple iOS and iPadOS | v < 26.7, v < 27 | 26.7, 27 |
| Apple visionOS | v < 27 | 27 |
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