CVE-2026-43701

Overview

Advisory: Apple Security Advisory

Impact:

Description: A malicious website may be able to process restricted web content outside the sandbox

Researchers: Aaron Grattafiori - NVIDIA AI Red Team

Attribute Value
CVE CVE-2026-43701
Bugzilla 315004
Component WebCore
Bug Class SandboxEscape
Severity medium
Commit f23ffb5a845006c8…
Advisory Apple Advisory

Root Cause Analysis

The issue was addressed with improved checks.

Files Changed

Source Files

  • Source/WebCore/loader/DocumentLoader.cpp
  • Source/WebKit/UIProcess/API/APINavigation.h
  • Source/WebKit/UIProcess/WebPageProxy.cpp