What is the CVSS score of CVE-2025-43299?

CVE-2025-43299 has a CVSS 3.1 base score of 5.5 (Medium). CVSS vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H. EPSS exploitation probability: 0.0%.

Which versions of Apple are affected by CVE-2025-43299?

Organizations using A denial-of-service should be aware of moderate risk from CVE-2025-43299, a input validation vulnerability rated CVSS 5.5.

How to fix or mitigate CVE-2025-43299?

Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Monitor vendor channels for patch availability.

Apple CVE-2025-43299

MEDIUM

Improper Input Validation (CWE-20)

2025-09-15 product-security@apple.com

Apple Information Disclosure

5.5

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

5.5 MEDIUM

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Local

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Lifecycle Timeline

Analysis Generated

Mar 28, 2026 - 19:12 vuln.today

CVE Published

Sep 15, 2025 - 23:15 nvd

MEDIUM 5.5

DescriptionCVE.org

A denial-of-service issue was addressed with improved validation. This issue is fixed in macOS Sonoma 14.8, macOS Sequoia 15.7, iOS 18.7 and iPadOS 18.7. An app may be able to cause a denial-of-service.

AnalysisAI

A denial-of-service issue was addressed with improved validation. Rated medium severity (CVSS 5.5), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified under CWE-20. A denial-of-service issue was addressed with improved validation. This issue is fixed in macOS Sonoma 14.8, macOS Sequoia 15.7, iOS 18.7 and iPadOS 18.7. An app may be able to cause a denial-of-service. Affected products include: Apple Ipados, Apple Iphone Os, 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.