CVE-2026-20698

The issue was addressed with improved memory handling. This issue is fixed in iOS 26.4 and iPadOS 26.4, macOS Tahoe 26.4, tvOS 26.4, visionOS 26.4, watchOS 26.4. An app may be able to cause unexpected system termination or corrupt kernel memory.

Score

CVSS 3.1 7.8 High

Status

Modified - product-security@apple.com

Published

2026-03-25

Last modified

2026-04-02

Weaknesses

CWE-119, CWE-787

Affected products

• Ios And Ipados (Apple)
• Ipados (Apple)
• Iphone Os (Apple)
• Macos (Apple)
• Tvos (Apple)
• Visionos (Apple)
• Watchos (Apple)

References

• https://support.apple.com/en-us/126792
• https://support.apple.com/en-us/126794
• https://support.apple.com/en-us/126797
• https://support.apple.com/en-us/126798
• https://support.apple.com/en-us/126799