CVE-2026-20700

State
Published
Severity
7.8 High
Published
Feb 11, 2026
Updated
Apr 2, 2026
Reserved
Nov 11, 2025

Read the record on cve.org

Description

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.

Scores

CVSSScoreVectorSource
3.17.8 HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HCISA-ADP

Weaknesses

  • CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

Affected Products

ProductVersions
iOS and iPadOSApple
  • before 26.3Affected
macOSApple
  • before 26.3Affected
tvOSApple
  • before 26.3Affected
visionOSApple
  • before 26.3Affected
watchOSApple
  • before 26.3Affected

References

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