Cross-Origin Vulnerability in Safari and Apple Products
CVE-2026-43700

6.5MEDIUM

Key Information:

Vendor

Apple

Vendor
CVE Published:
29 June 2026

Badges

๐Ÿ‘พ Exploit Exists๐ŸŸก Public PoC

What is CVE-2026-43700?

A cross-origin vulnerability has been identified in Safari and various Apple operating systems. This security issue arises from inadequate tracking of security origins, which could allow maliciously crafted web content to expose sensitive user information. Users are advised to update to the latest versions of Safari, iOS, iPadOS, and macOS Tahoe to protect against potential data leaks and ensure a secure browsing experience.

Affected Version(s)

iOS and iPadOS 0 < 26.5.2

macOS 0 < 26.5.2

Safari 0 < 26.5.2

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

References

CVSS V3.1

Score:
6.5
Severity:
MEDIUM
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • ๐ŸŸก

    Public PoC available

  • ๐Ÿ‘พ

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

.