AI description
CVE-2026-20700 is a memory corruption vulnerability found within Apple's `dyld` component, which is the Dynamic Link Editor responsible for loading dynamic libraries into memory and bridging application code with system frameworks. This flaw could enable an attacker with memory write capabilities to execute arbitrary code on affected devices. Apple addressed this issue through improved state management in updates for watchOS 26.3, tvOS 26.3, macOS Tahoe 26.3, visionOS 26.3, iOS 26.3, and iPadOS 26.3. Reports indicate that this vulnerability may have been exploited in "extremely sophisticated attacks" targeting specific individuals on versions of iOS preceding iOS 26. Google's Threat Analysis Group is credited with discovering and reporting the vulnerability.
- Description
- A memory corruption issue was addressed with improved state management. This issue is fixed in watchOS 26.3, tvOS 26.3, macOS Tahoe 26.3, visionOS 26.3, iOS 26.3 and iPadOS 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.
- Source
- product-security@apple.com
- NVD status
- Modified
- Products
- ipados, iphone_os, macos, tvos, visionos, watchos
CVSS 3.1
- Type
- Secondary
- Base score
- 7.8
- Impact score
- 5.9
- Exploitability score
- 1.8
- Vector string
- CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Severity
- HIGH
- 134c704f-9b21-4f2e-91b3-4a467353bcc0
- CWE-119
Hype score is a measure of social media activity compared against trending CVEs from the past 12 months. Max score 100.
- Hype score
8
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