CVEvulnerability
CVE-2026-20637
6.2 MEDIUM
Official page ↗
- Status
- Analyzed
- Published
- 2026-03-25
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0)
- 6.2 MEDIUM — CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Weaknesses
- CWE-416
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.
Affected configurations
• apple ipados (< 18.7.7)
• apple ipados (>= 26.0 < 26.3)
• apple iphone os (< 18.7.7)
• apple iphone os (>= 26.0 < 26.3)
• apple macos (>= 14.0 < 14.8.5)
• apple macos (>= 15.0 < 15.7.5)
• apple macos (>= 26.0 < 26.3)
• apple tvos (< 26.3)
• apple visionos (< 26.3)
• apple watchos (< 26.3)
Related
Weakness · CWE (1)
- CWE-416 Use After Free weakness
References
- https://support.apple.com/en-us/126346 Release Notes, Vendor Advisory
- https://support.apple.com/en-us/126348 Release Notes, Vendor Advisory
- https://support.apple.com/en-us/126351 Release Notes, Vendor Advisory
- https://support.apple.com/en-us/126352 Release Notes, Vendor Advisory
- https://support.apple.com/en-us/126353 Release Notes, Vendor Advisory
- https://support.apple.com/en-us/126793 Release Notes, Vendor Advisory
- https://support.apple.com/en-us/126795 Release Notes, Vendor Advisory
- https://support.apple.com/en-us/126796 Release Notes, Vendor Advisory