Memory Corruption Vulnerability in macOS Sequoia by Apple
CVE-2025-43219

8.8HIGH

Key Information:

Vendor

Apple
Status
Mac OS
Vendor
CVE Published:
2 April 2026

What is CVE-2025-43219?

A memory corruption vulnerability exists in macOS Sequoia, enabling potential exploitation through maliciously crafted images. If exploited, this vulnerability could lead to unpredictable behavior and process memory corruption, impacting overall system stability and security. Apple has addressed this issue in macOS Sequoia 15.6 through enhancements in memory handling to mitigate such risks.

Affected Version(s)

macOS 0 < 15.6

References

https://support.apple.com/en-us/124149

CVSS V3.1

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.