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CVE-2026-20700

nvd nist
Published: Feb 11, 2026Modified: Mar 25, 2026CISA KEV

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7.8
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Exploitability: 1.8 / Impact: 5.9
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary)

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.

Affected (6)

Apple
6 products
Ipados
Iphone Os
Macos
Tvos
Visionos
Watchos
Configuration A
6 vulnerable
Vulnerable SoftwareAffected Versions
Ipados
Before 26.3
Iphone Os
Before 26.3
Macos
Before 26.3
Tvos
Before 26.3
Visionos
Before 26.3
Watchos
Before 26.3

Related CWEs

CWE-119
Improper Restriction of Operations within the Bounds of a Memory Buffer
The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.

References (6)

Source: product-security@apple.com
Release NotesVendor Advisory
Source: product-security@apple.com
Release NotesVendor Advisory
Source: product-security@apple.com
Release NotesVendor Advisory
Source: product-security@apple.com
Release NotesVendor Advisory
Source: product-security@apple.com
Release NotesVendor Advisory
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
US Government Resource

Timeline

No history available yet.