Vulnerability Monitor

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CVE-2025-43520

A memory corruption issue was addressed with improved memory handling. This issue is fixed in watchOS 26.1, iOS 18.7.2 and iPadOS 18.7.2, macOS Tahoe 26.1, visionOS 26.1, tvOS 26.1, macOS Sonoma 14.8.2, macOS Sequoia 15.7.2, iOS 26.1 and iPadOS 26.1. A malicious application may be able to cause unexpected system termination or write kernel memory.

Security Impact Summary

This vulnerability carries a HIGH severity rating with a CVSS v3.1 score of 7.1, requiring local system access to exploit with relatively low complexity without requiring user interaction requiring only low-level privileges . The vulnerability impacts integrity (unauthorized modifications), and availability (service disruption) for affected systems. Impacting 6 products from apple, from apple, from apple and 3 others, organizations running these solutions should prioritize assessment and patching.

Historical Context

Reported in 2025, this vulnerability emerged during an era marked by increased sophistication in supply chain attacks, cloud infrastructure vulnerabilities, and software-as-a-service (SaaS) security challenges. Security practices during this period emphasized zero-trust architectures, container security, and API protection.

Published

2025-12-12T21:15:56.830

Last Modified

2025-12-16T20:58:26.750

Status

Analyzed

Source

[email protected]

Severity

CVSSv3.1: 7.1 (HIGH)

Weaknesses

Type: Primary
CWE-787

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	apple	ipados	< 18.7.2	Yes
Operating System	apple	ipados	< 26.1	Yes
Operating System	apple	iphone_os	< 18.7.2	Yes
Operating System	apple	iphone_os	< 26.1	Yes
Operating System	apple	macos	< 14.8.2	Yes
Operating System	apple	macos	< 15.7.2	Yes
Operating System	apple	macos	< 26.1	Yes
Operating System	apple	tvos	< 26.1	Yes
Operating System	apple	visionos	< 26.1	Yes
Operating System	apple	watchos	< 26.1	Yes

References

https://support.apple.com/en-us/125632 Release Notes, Vendor Advisory ([email protected])
https://support.apple.com/en-us/125633 Release Notes, Vendor Advisory ([email protected])
https://support.apple.com/en-us/125634 Release Notes, Vendor Advisory ([email protected])
https://support.apple.com/en-us/125635 Release Notes, Vendor Advisory ([email protected])
https://support.apple.com/en-us/125636 Release Notes, Vendor Advisory ([email protected])
https://support.apple.com/en-us/125637 Release Notes, Vendor Advisory ([email protected])
https://support.apple.com/en-us/125638 Release Notes, Vendor Advisory ([email protected])
https://support.apple.com/en-us/125639 Release Notes, Vendor Advisory ([email protected])

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For apple's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.