What is the CVSS score of CVE-2025-43355?

CVE-2025-43355 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-2025-43355?

Organizations using A type confusion should be aware of moderate risk from CVE-2025-43355 rated CVSS 5.5. Exploitation could compromise the security of affected deployments.

How to fix or mitigate CVE-2025-43355?

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

Apple CVE-2025-43355

MEDIUM

Access of Resource Using Incompatible Type (Type Confusion) (CWE-843)

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

Memory Corruption 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 type confusion issue was addressed with improved memory handling. 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. An app may be able to cause a denial-of-service.

AnalysisAI

A type confusion issue was addressed with improved memory handling. 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 as Access of Resource Using Incompatible Type (Type Confusion) (CWE-843), which allows attackers to execute arbitrary code by exploiting type confusion in the application. A type confusion issue was addressed with improved memory handling. 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. An app may be able to cause a denial-of-service. 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. Enforce strict type checking, use type-safe languages, validate object types before operations.