What is the CVSS score of CVE-2025-31266?

CVE-2025-31266 has a CVSS 3.1 base score of 4.3 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L. EPSS exploitation probability: 0.0%.

Which versions of Apple are affected by CVE-2025-31266?

Organizations using A spoofing should be aware of moderate risk from CVE-2025-31266 rated CVSS 4.3. Exploitation could compromise the security of affected deployments.

How to fix or mitigate CVE-2025-31266?

During next maintenance window: Identify affected systems and apply vendor patches when convenient. Monitor vendor channels for patch availability.

Apple CVE-2025-31266

MEDIUM

User Interface (UI) Misrepresentation of Critical Information (CWE-451)

2025-11-21 product-security@apple.com

Apple Information Disclosure

4.3

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

4.3 MEDIUM

AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

Low

Lifecycle Timeline

Analysis Generated

Mar 28, 2026 - 19:23 vuln.today

CVE Published

Nov 21, 2025 - 22:16 nvd

MEDIUM 4.3

DescriptionCVE.org

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.

AnalysisAI

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. Rated medium severity (CVSS 4.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified under CWE-451. 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. Affected products include: Apple Safari, Apple Macos.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.