What is the CVSS score of CVE-2025-43359?

CVE-2025-43359 has a CVSS 3.1 base score of 9.8 (Critical). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 0.1%.

Which versions of Apple are affected by CVE-2025-43359?

Organizations using A logic face critical risk from CVE-2025-43359 rated CVSS 9.8.

How to fix or mitigate CVE-2025-43359?

Within 7 days: Identify all affected systems and apply vendor patches promptly. Monitor vendor channels for patch availability.

Apple CVE-2025-43359

CRITICAL

Always-Incorrect Control Flow Implementation (CWE-670)

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

Information Disclosure Apple

9.8

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

9.8 CRITICAL

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

Analysis Generated

Mar 28, 2026 - 19:12 vuln.today

CVE Published

Sep 15, 2025 - 23:15 nvd

CRITICAL 9.8

DescriptionCVE.org

A logic issue was addressed with improved state management. This issue is fixed in tvOS 26, watchOS 26, macOS Sonoma 14.8, iOS 26 and iPadOS 26, macOS Sequoia 15.7, visionOS 26, iOS 18.7 and iPadOS 18.7. A UDP server socket bound to a local interface may become bound to all interfaces.

AnalysisAI

A logic issue was addressed with improved state management. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified under CWE-670. A logic issue was addressed with improved state management. This issue is fixed in tvOS 26, watchOS 26, macOS Sonoma 14.8, iOS 26 and iPadOS 26, macOS Sequoia 15.7, visionOS 26, iOS 18.7 and iPadOS 18.7. A UDP server socket bound to a local interface may become bound to all interfaces. Affected products include: Apple Ipados, Apple Iphone Os, Apple Macos, Apple Tvos, Apple Visionos.

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.