CVE-2026-43682: A remote user may be able to cause unexpected system termination or corrupt kernel memory in Apple macOS
The issue was addressed with improved memory handling. This issue is fixed in macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6. A remote user may be able to cause unexpected system termination or corrupt kernel memory.
AI Analysis
Technical Summary
CVE-2026-43682 is a critical remote code execution vulnerability in Apple macOS caused by improper memory handling that could allow a remote attacker to cause unexpected system termination or kernel memory corruption. The vulnerability affects multiple macOS branches and has been addressed by Apple in macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, and macOS Tahoe 26.6 through improved memory handling. The CVSS 3.1 base score is 9.8, reflecting network attack vector, no privileges required, no user interaction, and high impact on confidentiality, integrity, and availability.
Potential Impact
Successful exploitation can lead to system crashes or kernel memory corruption, potentially resulting in denial of service or further compromise of system integrity and confidentiality. The vulnerability is exploitable remotely without authentication or user interaction, making it highly severe.
Mitigation Recommendations
A fix is available and has been released by Apple in macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, and macOS Tahoe 26.6. Users and administrators should apply these updates promptly to remediate the vulnerability. No additional mitigation guidance is provided or required beyond applying the official patches.
CVE-2026-43682: A remote user may be able to cause unexpected system termination or corrupt kernel memory in Apple macOS
Description
The issue was addressed with improved memory handling. This issue is fixed in macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6. A remote user may be able to cause unexpected system termination or corrupt kernel memory.
CVSS v3.1
Score 9.8critical
Affected software
Apple
macOS
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-43682 is a critical remote code execution vulnerability in Apple macOS caused by improper memory handling that could allow a remote attacker to cause unexpected system termination or kernel memory corruption. The vulnerability affects multiple macOS branches and has been addressed by Apple in macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, and macOS Tahoe 26.6 through improved memory handling. The CVSS 3.1 base score is 9.8, reflecting network attack vector, no privileges required, no user interaction, and high impact on confidentiality, integrity, and availability.
Potential Impact
Successful exploitation can lead to system crashes or kernel memory corruption, potentially resulting in denial of service or further compromise of system integrity and confidentiality. The vulnerability is exploitable remotely without authentication or user interaction, making it highly severe.
Mitigation Recommendations
A fix is available and has been released by Apple in macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, and macOS Tahoe 26.6. Users and administrators should apply these updates promptly to remediate the vulnerability. No additional mitigation guidance is provided or required beyond applying the official patches.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- apple
- Date Reserved
- 2026-05-01T22:46:21.641Z
- State
- PUBLISHED
Threat ID: 6a67c1b49c2644c7f8cb0e17
Added to database: 07/27/2026, 20:38:12 UTC
Last enriched: 07/29/2026, 23:28:17 UTC
Last updated: 09/11/2026, 22:06:33 UTC
Views: 46
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