CVE-2026-20637
- State
- Published
- Severity
- 6.2 Medium
- Published
- Mar 25, 2026
- Updated
- Oct 26, 2026
- Reserved
- Nov 11, 2025
Description
A use after free issue was addressed with improved memory management. This issue is fixed in iOS 18.7.7 and iPadOS 18.7.7, iOS 26.3 and iPadOS 26.3, macOS Sequoia 15.7.5, macOS Sonoma 14.8.5, macOS Tahoe 26.3, tvOS 26.3, visionOS 26.3, watchOS 26.3. An app may be able to cause unexpected system termination.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 6.2 Medium | CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H | CISA-ADP |
Weaknesses
- CWE-416 Use After Free
Affected Products
| Product | Versions |
|---|---|
iOS and iPadOSApple |
|
macOSApple |
|
tvOSApple |
|
visionOSApple |
|
watchOSApple |
|
References
- https://support.apple.com/en-us/126346
- https://support.apple.com/en-us/126348
- https://support.apple.com/en-us/126351
- https://support.apple.com/en-us/126352
- https://support.apple.com/en-us/126353
- https://support.apple.com/en-us/126793
- https://support.apple.com/en-us/126795
- https://support.apple.com/en-us/126796
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