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CVE-2026-20700

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...

Basic Information

CVE State
PUBLISHED
Reserved Date
November 11, 2025
Published Date
February 11, 2026
Last Updated
April 02, 2026
Vendor
Apple
Product
iOS and iPadOS, macOS, tvOS, visionOS, watchOS
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.
Tags
cisa

CVSS Scores

CVSS v3.1

7.8 - HIGH

Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

SSVC Information

Exploitation
active
Technical Impact
total

Exploit Status

Exploited in the Wild
Yes (2026-06-01 10:50:52 UTC) Source

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

Known Exploited Vulnerability Information

Source Added Date
CVE 2026-06-01 10:50:52 UTC

Timeline

  • CVE ID Reserved

  • CVE Published to Public

  • Added to KEVIntel