CVE-2026-47876

CRITICAL CVSS 3.1: 9.3 EPSS 0.28%
Updated Jul 30, 2026
VMWARE
Parameter Value
CVSS 9.3 (CRITICAL)
Type CWE-787 (Out-of-bounds Write)
Vendor VMWARE
Public PoC No

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.

Attack Parameters

Attack Vector
Local
Requires local access
Attack Complexity
Low
Easy to exploit
Privileges Required
None
No privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
High
Complete data leak
Integrity
High
Complete data modification
Availability
High
Complete denial of service

CVSS Vector v3.1

Weakness Type (CWE)