CVE-2025-43327

Severity: medium (CVSS 6.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2025-09-15 · updated 2026-10-18
Weakness: CWE-451

Description

The issue was addressed by adding additional logic. This issue is fixed in Safari 26, macOS Tahoe 26. Visiting a malicious website may lead to address bar spoofing.

Affected products

Apple macOS: before 26.0 — fixed in 26.0
Apple Safari: before 26.0 — fixed in 26.0

How to fix

Upgrade to a fixed version: Apple macOS 26.0; Apple Safari 26.0. Check the vendor advisory for mitigations.

References

https://support.apple.com/en-us/125110
https://support.apple.com/en-us/125113
http://seclists.org/fulldisclosure/2025/Sep/53
http://seclists.org/fulldisclosure/2025/Sep/59

Get alerted when CVE-2025-43327 or the next vulnerability affects your stack