CVE-2026-20700
macOS vulnerability analysis and mitigation

A memory corruption issue was addressed with improved state management. This issue is fixed in iOS 26.3 and iPadOS 26.3, macOS Tahoe 26.3, tvOS 26.3, visionOS 26.3, watchOS 26.3. An attacker with memory write capability may be able to execute arbitrary code. Apple is aware of a report that this issue may have been exploited in an extremely sophisticated attack against specific targeted individuals on versions of iOS before iOS 26. CVE-2025-14174 and CVE-2025-43529 were also issued in response to this report.


SourceNVD

Related macOS vulnerabilities:

CVE ID

Severity

Score

Technologies

Component name

CISA KEV exploit

Has fix

Published date

CVE-2025-43264HIGH8.8
  • macOSmacOS
  • Model I/O
NoYesApr 02, 2026
CVE-2025-43219HIGH8.8
  • macOSmacOS
  • Model I/O
NoYesApr 02, 2026
CVE-2025-43257HIGH8.7
  • macOSmacOS
  • Archive Utility
NoYesApr 02, 2026
CVE-2025-43238MEDIUM6.2
  • macOSmacOS
  • Xsan
NoYesApr 02, 2026
CVE-2025-43236LOW3.3
  • macOSmacOS
  • Power Management
NoYesApr 02, 2026

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