Critical severity9.3NVD Advisory· Published Jul 30, 2026· Updated Jul 30, 2026
CVE-2026-47876
CVE-2026-47876
Description
VMware ESX contains an out-of-bounds write vulnerability in the VMXNET3 virtual network adapter. A malicious actor with local administrative privileges on a virtual machine with VMXNET3 virtual network adapter may exploit this issue to execute code on the host. Non VMXNET3 virtual adapters are not affected by this issue.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
1Patches
Vulnerability mechanics
References
1News mentions
7- Cyber Security Weekly Newsletter – Outlook RCE, Palo Alto, Cisco 0-day and Windows 0-Day Flaws +20 StoriesCyber Security News · Aug 16, 2026
- Hackers Actively Scanning to Exploit VMware VCenter VulnerabilitiesCyber Security News · Aug 11, 2026
- Weekly Cyber Security Newsletter– Claude Hacked 3 Companies, Cisco 0-Day, Word Copilot and VMware Flaw +20 StoriesCyber Security News · Aug 2, 2026
- VMware fixes three critical flaws allowing auth bypass, VM escapesBleepingComputer · Jul 30, 2026
- Three Critical VMware Flaws Allow Auth Bypass, Code Execution, and VM EscapeThe Hacker News · Jul 29, 2026
- Critical VM Escape Vulnerability Patched in VMware ESXiSecurityWeek · Jul 29, 2026
- Critical VMware Flaws Allow Attackers to Bypass Authentication and Gain Access to the SystemCyber Security News · Jul 29, 2026