Memory Handling Issue in macOS Products by Apple
CVE-2025-43402

7.8HIGH

Key Information:

Vendor

Apple
Status
Mac OS
Vendor
CVE Published:
12 December 2025

What is CVE-2025-43402?

An issue in macOS Tahoe related to memory handling has been identified, allowing an application to potentially cause unexpected termination of the system or lead to the corruption of process memory. This vulnerability has been resolved in version 26.1 of macOS Tahoe, emphasizing the importance of maintaining up-to-date software to protect against such risks.

Affected Version(s)

macOS < 26.1

References

https://support.apple.com/en-us/125634

CVSS V3.1

Score:
7.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

JSON
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CVE-2025-43402 : Memory Handling Issue in macOS Products by Apple