medium5.5
CVE-2026-20627
An issue existed in the handling of environment variables.
Impact
An issue existed in the handling of environment variables. This issue was addressed with improved validation. This issue is fixed in iOS 26.3 and iPadOS 26.3, macOS Sequoia 15.7.4, macOS Sonoma 14.8.4, macOS Tahoe 26.3, visionOS 26.3, watchOS 26.3. An app may be able to access sensitive user data.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Apple | Ipados | before 26.3 |
| Apple | Iphone Os | before 26.3 |
| Apple | Macos | from 14.0 before 14.8.4 from 26.0 before 26.3 |
| Apple | Visionos | before 26.3 |
| Apple | Watchos | before 26.3 |