CVE-2026-43700CWE-346

CVE-2026-43700

Medium · published June 30, 2026

CVSS v3.1

6.5

EPSS

Percentile

8.0

In the wild

Unconfirmed

What it is

A cross-origin issue was addressed with improved tracking of security origins. This issue is fixed in Safari 26.5.2, iOS 18.7.10 and iPadOS 18.7.10, iOS 26.5.2 and iPadOS 26.5.2, macOS Tahoe 26.5.2, tvOS 26.6, visionOS 26.6, watchOS 26.6. Processing maliciously crafted web content may disclose sensitive user information.

The record

Technical detail

CVSS v3.1: 6.5 · MEDIUM
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
CVSS v4.0: Not supplied
EPSS: 0.00188 · 8.0th percentile
Weakness: CWE-346 · Origin Validation Error
Published: 2026-06-30T00:17Z

Affected products (4)

Product	Versions	Fixed in
apple/safari	< 26.5.2	26.5.2
apple/ipados	< 26.5.2	26.5.2
apple/iphone_os	< 26.5.2	26.5.2
apple/macos	< 26.5.2	26.5.2

References (7)

https://support.apple.com/en-us/127594 · [email protected]https://support.apple.com/en-us/127595 · [email protected]https://support.apple.com/en-us/127685 · [email protected]https://support.apple.com/en-us/128068 · [email protected]https://support.apple.com/en-us/128069 · [email protected]https://support.apple.com/en-us/128070 · [email protected]https://support.apple.com/en-us/148287 · [email protected]

EPSS history

Timeline

29 JUN 19:43Z
A cross-origin issue was addressed with improved tracking of security origins
cvelistv5