CVE-2026-86959
Medium
Description
An input validation issue was addressed with improved input validation. This issue is fixed in iOS 26.7 and iPadOS 26.7, iOS 27 and iPadOS 27, macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7. Processing a maliciously crafted image may lead to unexpected process termination.
SeverityMedium
CVSS4.3
Exploit probability—
Product
macOS
PublishedOct 20, 2026
First seenOct 20, 2026
Weakness typeCWE-20Improper input validation
How to fix
Update
- Apple macOS15.8, 26.7, 27 or later
- Apple iOS and iPadOS26.7, 27 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Apple macOS | v < 15.8, v < 26.7, v < 27 | 15.8, 26.7, 27 |
| Apple iOS and iPadOS | v < 26.7, v < 27 | 26.7, 27 |
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