Memory Handling Vulnerability in Apple macOS Products
CVE-2026-43682

9.8CRITICAL

Key Information:

Vendor

Apple
Status
Mac OS
Vendor
CVE Published:
27 July 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-43682?

A vulnerability has been identified in Apple macOS products that relates to improper memory handling. This flaw allows a remote user to potentially exploit the issue, leading to unexpected system terminations and possible corruption of kernel memory. The flaw has been resolved in macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, and macOS Tahoe 26.6, emphasizing the importance of staying updated with the latest security patches.

Affected Version(s)

macOS 0 < 14.8.8

macOS 0 < 15.7.8

macOS 0 < 26.6

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-43682
Created by petermalone

References

https://support.apple.com/en-us/128067
https://support.apple.com/en-us/128071
https://support.apple.com/en-us/128072

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

.