CVE-2026-43708 Safari <26.5.2 cross-origin data exfiltration
CVE-2026-43708 Published on June 29, 2026
The issue was addressed with improved input validation. 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.
Vulnerability Analysis
CVE-2026-43708 is exploitable with network access, requires user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have a small impact on confidentiality, a small impact on integrity and availability.
Weakness Type
Improper Input Validation
The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.
Products Associated with CVE-2026-43708
Want to know whenever a new CVE is published for Apple products? stack.watch will email you.
Affected Versions
Apple Safari:- Before 26.5.2 is affected.
- Before 26.5.2 is affected.
- Before 26.5.2 is affected.