Vulnerability in Apple Macos
CVE-2025-31266
A spoofing issue was addressed with improved truncation when displaying the fully qualified domain name. This issue is fixed in Safari 18.5, macOS Sequoia 15.5. A website may be able to spoof the domain name in the title of a pop-up window.
EPSS: 0.002 (12.7th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L.
Affected products
- Apple Macos — versions 0
- Apple Safari — versions 0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- product-security@apple.com (Release Notes, Vendor Advisory)
- product-security@apple.com (Release Notes, Vendor Advisory)
Frequently asked questions
- What is CVE-2025-31266?
- CVE-2025-31266 is a medium-severity vulnerability in Apple Macos, classified under User Interface (UI) Misrepresentation of Critical Information. CVSS score: 4.3/10. Published 2025-11-21.
- How severe is CVE-2025-31266?
- Medium severity. CVSS v3 base score is 4.3 out of 10.
- Is CVE-2025-31266 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.