CVE-2025-43447

MEDIUM
2025-11-04 [email protected]
5.5
CVSS 3.1
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CVSS Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

Lifecycle Timeline

2
Analysis Generated
Mar 28, 2026 - 19:20 vuln.today
CVE Published
Nov 04, 2025 - 02:15 nvd
MEDIUM 5.5

Tags

Memory Corruption Apple Buffer Overflow

Description

The issue was addressed with improved memory handling. This issue is fixed in iOS 26.1 and iPadOS 26.1, watchOS 26.1, macOS Tahoe 26.1, visionOS 26.1. An app may be able to cause unexpected system termination or corrupt kernel memory.

Analysis

The issue was addressed with improved memory handling. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. No vendor patch available.

Technical Context

This vulnerability is classified as Out-of-bounds Write (CWE-787), which allows attackers to write data beyond allocated buffer boundaries leading to code execution or crashes. The issue was addressed with improved memory handling. This issue is fixed in iOS 26.1 and iPadOS 26.1, watchOS 26.1, macOS Tahoe 26.1, visionOS 26.1. An app may be able to cause unexpected system termination or corrupt kernel memory. Affected products include: Apple Ipados, Apple Iphone Os, Apple Visionos, Apple Watchos.

Affected Products

Apple Ipados, Apple Iphone Os, Apple Visionos, Apple Watchos.

Remediation

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Validate write boundaries, use memory-safe languages, enable compiler protections (ASLR, stack canaries).

Priority Score

28
Low Medium High Critical
KEV: 0
EPSS: +0.0
CVSS: +28
POC: 0

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CVE-2025-43447 vulnerability details – vuln.today
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