security-research

Security Research A collection of files related to my personal security research. Additional content will be posted on my blog https://blog.mirch.io. Tools Tool| Description ---|--- openssldircheck| Windows utility to check for potential insecure paths used by the OPENSSLDIR build parameter in...

VMware Fusion 25.x < 26.0.0 Information Disclosure (VMSA-2026-0006)

The version of VMware Fusion installed on the remote macOS host is 25.x 25H2 prior to 26.0.0 26H1. It is, therefore, affected by a vulnerability as referenced in the VMSA-2026-0006.1 advisory: - VMware ESX, Workstation, and Fusion contain an out-of-bounds read vulnerability. A malicious actor wit...

VMware Workstation/Fusion NAT vulnerability: a guest VM admin can disrupt or intercept other guest VMs' network connections

VMware Workstation/Fusion NAT Network Packet Management Flaw Allows a Guest VM to Disrupt or Intercept Other Guest VMs' Network Connections CVE-2026-22715 Vulnerability Overview VMware Workstation and Fusion contain a logic flaw CWE-923, communication channel not correctly restricted to intended...

CVE-2026-41703 Out-of-bounds read vulnerability

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...

CVE-2026-41703: Out-of-bounds Read

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...

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-2026-65832

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...

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...

PT-2026-65833

Name of the Vulnerable Software and Affected Versions VMware vCenter versions prior to 9.1.0.0300 VMware vCenter versions prior to 9.0.2.0100 VMware vCenter versions prior to 8.0 U3k VMware vCenter versions prior to 8.0 U2f Description VMware vCenter contains a directory traversal flaw in the...

The vulnerability of the SETUID file in VMware Fusion allows a perpetrator to elevate their privileges to the root level.

The vulnerability of the SETUID file in VMware Fusion is related to state management errors. Exploiting this vulnerability can allow an attacker to elevate their privileges to the root level...

Metasploit2-pentest

Metasploitable2 Penetration Test Lab Author: Lillian Jone...

CVE-2026-41702

VMware Fusion contains a TOCTOU Time-of-check Time-of-use vulnerability that occurs during an operation performed by a SETUID binary. A malicious actor with local non-administrative user privileges may exploit this vulnerability to escalate privileges to root on the system where Fusion is install...

VMware Fusion 25H2 < 26H1 Local Privilege Escalation (VMSA-2026-0003)

The version of VMware Fusion installed on the remote macOS host is 25H2 prior to 26H1. It is, therefore, affected by a vulnerability: - VMware Fusion contains a TOCTOU Time-of-check Time-of-use vulnerability that occurs during an operation performed by a SETUID binary. A malicious actor with loca...

CVE-2026-41702

VMware Fusion contains a TOCTOU Time-of-check Time-of-use vulnerability that occurs during an operation performed by a SETUID binary. A malicious actor with local non-administrative user privileges may exploit this vulnerability to escalate privileges to root on the system where Fusion is install...

EUVD-2026-30510

VMware Fusion contains a TOCTOU Time-of-check Time-of-use vulnerability that occurs during an operation performed by a SETUID binary. A malicious actor with local non-administrative user privileges may exploit this vulnerability to escalate privileges to root on the system where Fusion is install...

CVE-2026-41702 TOCTOU local privilege escalation vulnerability

VMware Fusion contains a TOCTOU Time-of-check Time-of-use vulnerability that occurs during an operation performed by a SETUID binary. A malicious actor with local non-administrative user privileges may exploit this vulnerability to escalate privileges to root on the system where Fusion is install...

CVE-2026-41702

VMware Fusion is affected by a local privilege escalation TOCTOU flaw in a SETUID binary (CVE-2026-41702). The issue allows a non-administrative local user to escalate to root on systems with Fusion installed. Connected advisories confirm a fix in Fusion 26H1; the remediation is to apply the 26H1...

CVE-2026-41702

VMware Fusion contains a TOCTOU Time-of-check Time-of-use vulnerability that occurs during an operation performed by a SETUID binary. A malicious actor with local non-administrative user privileges may exploit this vulnerability to escalate privileges to root on the system where Fusion is install...

CVE-2026-41702 TOCTOU local privilege escalation vulnerability

VMware Fusion contains a TOCTOU Time-of-check Time-of-use vulnerability that occurs during an operation performed by a SETUID binary. A malicious actor with local non-administrative user privileges may exploit this vulnerability to escalate privileges to root on the system where Fusion is install...

VMware Fusion 安全漏洞

VMware Fusion is a virtual machine software developed by VMware Corporation in the United States, designed specifically for running Windows applications on Apple machines. VMware Fusion has a security vulnerability, which stems from an TOCTOU issue during the execution of SETUID binary files. Thi...