CVE-2026-43708CWE-20

CVE-2026-43708

Medium · published June 30, 2026

CVSS v3.1

4.3

EPSS

Percentile

30.2

In the wild

Unconfirmed

What it is

The issue was addressed with improved input validation. 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. A malicious website may exfiltrate data cross-origin.

The record

Technical detail

CVSS v3.1: 4.3 · MEDIUM
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
CVSS v4.0: Not supplied
EPSS: 0.00374 · 30.2th percentile
Weakness: CWE-20 · Improper Input Validation
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 19:42Z
The issue was addressed with improved input validation
cvelistv5