The issue was addressed with improved checks. This issue is fixed in Safari 26.5.2, iOS 26.5.2 and iPadOS 26.5.2, macOS Tahoe 26.5.2, tvOS 26.6, visionOS 26.6, watchOS 26.6. A malicious website may exfiltrate data cross-origin.

Metrics

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact None

User Interaction Required

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploitation none

Automatable no

Technical Impact total

Affected Vendors & Products

Vendors Products
Apple
  • Ios And Ipados
  • Macos
  • Safari

No data.

No data.

References
Link Providers
https://support.apple.com/en-us/127594 cve-icon
https://support.apple.com/en-us/127595 cve-icon
https://support.apple.com/en-us/127685 cve-icon
https://support.apple.com/en-us/128068 cve-icon
https://support.apple.com/en-us/128069 cve-icon
https://support.apple.com/en-us/128070 cve-icon
History

Mon, 27 Jul 2026 20:30:00 +0000

Type Values Removed Values Added
Description The issue was addressed with improved checks. This issue is fixed in Safari 26.5.2, iOS 26.5.2 and iPadOS 26.5.2, macOS Tahoe 26.5.2. A malicious website may exfiltrate data cross-origin. The issue was addressed with improved checks. This issue is fixed in Safari 26.5.2, iOS 26.5.2 and iPadOS 26.5.2, macOS Tahoe 26.5.2, tvOS 26.6, visionOS 26.6, watchOS 26.6. A malicious website may exfiltrate data cross-origin.
References

Tue, 30 Jun 2026 16:45:00 +0000

Type Values Removed Values Added
Title Apple Safari and iOS Cross‑Origin Data Exfiltration Vulnerability

Tue, 30 Jun 2026 15:30:00 +0000

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 8.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N'}

Tue, 30 Jun 2026 14:30:00 +0000

Type Values Removed Values Added
Weaknesses CWE-352
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Tue, 30 Jun 2026 03:15:00 +0000

Type Values Removed Values Added
First Time appeared Apple
Apple ios And Ipados
Apple macos
Apple safari
Vendors & Products Apple
Apple ios And Ipados
Apple macos
Apple safari

Mon, 29 Jun 2026 22:00:00 +0000

Type Values Removed Values Added
Title Apple Safari and iOS Cross‑Origin Data Exfiltration Vulnerability
Weaknesses CWE-1021
CWE-79

Mon, 29 Jun 2026 20:15:00 +0000

Type Values Removed Values Added
Description The issue was addressed with improved checks. This issue is fixed in Safari 26.5.2, iOS 26.5.2 and iPadOS 26.5.2, macOS Tahoe 26.5.2. A malicious website may exfiltrate data cross-origin.
References
cve-icon MITRE

Status: PUBLISHED

Assigner: apple

Published: 2026-06-29T19:42:44.758Z

Updated: 2026-07-27T20:12:12.200Z

Reserved: 2026-05-01T22:46:21.646Z

Link: CVE-2026-43735

cve-icon Vulnrichment

Updated: 2026-06-30T13:39:38.868Z

cve-icon NVD

No data.

cve-icon Redhat

No data.