Memory Handling Vulnerability in Apple macOS Products
CVE-2026-43682
Key Information:
Badges
What is CVE-2026-43682?
CVE-2026-43682 is a vulnerability identified in Apple's macOS products, specifically related to memory handling. This vulnerability allows remote users to cause unexpected system termination or corrupt kernel memory, potentially leading to severe system instability. The impacted macOS versions include macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, and macOS Tahoe 26.6. Due to the core nature of the kernel being affected, organizations relying on macOS systems could experience significant disruptions, including system crashes and data loss, if this vulnerability is exploited.
Potential impact of CVE-2026-43682
-
System Stability and Availability: Exploitation of this vulnerability can lead to unexpected system terminations, disrupting normal operations and causing downtime, which can affect productivity and service delivery.
-
Data Integrity Risks: The ability to corrupt kernel memory may lead to improper handling of critical data, resulting in potential loss or corruption of data that could impact business processes and decision-making.
-
Security Breach Potential: As this vulnerability allows remote exploitation, it poses a threat of attackers gaining unauthorized access to affected systems, leading to potential data breaches and compromising sensitive information.
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.