CVE-2026-47876

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 no...

CVE-2026-47876 VMXNET3 out-of-bounds write vulnerability

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 no...

CVE-2026-47876 VMXNET3 out-of-bounds write vulnerability

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 no...

EUVD-2026-51105

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 no...

CVE-2026-47876

CVE-2026-47876 is an out-of-bounds write vulnerability in the VMXNET3 virtual network adapter of VMware ESX/ESXi. A local administrator inside a VM using VMXNET3 can potentially execute code on the ESX host; non-VMXNET3 adapters are not affected. Connected documents confirm patches/updates have b...

CVE-2026-59309

VMware vCenter Server contains a critical authentication bypass (CVSS 9.8) in the VMware Directory Service . An unauthenticated attacker with network access to vCenter can bypass authentication and gain unauthorized access to the management plane, which provides centralized control over ESXi host...

EUVD-2026-51098

VMware vCenter contains an authentication bypass vulnerability in the VMware Directory Service. A malicious actor with network access to vCenter may exploit this issue to bypass authentication and gain unauthorized access to the system...

CVE-2026-59309

VMware vCenter contains an authentication bypass vulnerability in the VMware Directory Service. A malicious actor with network access to vCenter may exploit this issue to bypass authentication and gain unauthorized access to the system...

CVE-2026-59310

VMware vCenter contains a directory traversal vulnerability in the Syslog server. A malicious actor with network access to vCenter may exploit this issue to execute arbitrary code...

EUVD-2026-51097

VMware vCenter contains a directory traversal vulnerability in the Syslog server. A malicious actor with network access to vCenter may exploit this issue to execute arbitrary code...

Three Critical VMware Flaws Allow Auth Bypass, Code Execution, and VM Escape

Broadcom has released security updates to address multiple security flaws impacting VMware ESX, vCenter, Workstation, and Fusion, three of which have been designated as critical in severity. The first of the three critical-rated flaws is CVE-2026-59309 CVSS score: 9.8, which has been described as...

Vulnerabilities present in VMware products

VMware has identified vulnerabilities in VMware vCenter and VMware ESX products. VMware vCenter contains a critical authentication-bypass vulnerability in the Directory Service, with the identifier CVE-2026-59309. This vulnerability allows a malicious individual with network access to VMware...

VMware vSphere Client (HTML5) - Remote Code Execution

The vSphere Client HTML5 contains a remote code execution vulnerability due to lack of input validation in the Virtual SAN Health Check plug-in which is enabled by default in vCenter Server. A malicious actor with network access to port 443 may exploit this issue to execute commands with...

PT-2026-65829

Name of the Vulnerable Software and Affected Versions VMware ESX affected versions not specified Description An out-of-bounds write issue exists in the VMXNET3 virtual network adapter. A malicious actor with local administrative privileges on a virtual machine using the VMXNET3 adapter can exploi...

PT-2026-65827

VMware ESX, Workstation, and Fusion contain an out-of-bounds read vulnerability. A malicious actor with VM deployment privileges could trigger an out-of-bounds read, potentially leading to information disclosure or more likely a Denial-of-Service DoS condition of the host process. On Workstation...

VMware Workstation 25.x < 26.0.0 Vulnerability (VMSA-2026-0006)

The version of VMware Workstation installed on the remote host is 25.x 25H2 prior to 26.0.0 26H1. It is, therefore, affected by a vulnerability. Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number. %NASLMINLEVEL 80900 C...

PT-2026-65832

Name of the Vulnerable Software and Affected Versions VMware vCenter affected versions not specified Description An authentication bypass exists in the VMware Directory Service. A malicious actor with network access to vCenter can exploit this flaw to bypass authentication mechanisms and gain...

PT-2026-65833

Name of the Vulnerable Software and Affected Versions VMware vCenter affected versions not specified Description A directory traversal issue exists in the Syslog server. A remote actor with network access may exploit this flaw to execute arbitrary code. Directory traversal is a vulnerability that...

PT-2026-65828

VMware ESX contains an insufficient logging vulnerability. A malicious administrator could exploit this issue to perform certain operations without them being logged...

VMSA-2026-0006.1: VMware ESX, vCenter, Workstation, and Fusion updates address multiple vulnerabilities (CVE-2026-59309, CVE-2026-59310, CVE-2026-47876, CVE-2026-41703, CVE-2026-41709)

Advisory ID: | VMSA-2026-0006.2 ---|--- Advisory Severity: | Critical CVSSv3 Range: | 2.7-9.8 Synopsis: | VMware ESX, vCenter, Workstation, and Fusion updates address multiple vulnerabilities CVE-2026-59309, CVE-2026-59310, CVE-2026-47876, CVE-2026-41703, CVE-2026-41709 Issue date: | 2026-07-29...