26 Aug, 2026

Chinese hackers exploiting VMware zero-day since October 2024

Broadcom has patched a high-severity privilege escalation vulnerability in its VMware Aria Operations and VMware Tools software, which has been exploited in zero-day attacks since October 2024. While the American technology giant didn’t tag this security bug (CVE-2025-41244) as exploited in the wild, it thanked NVISO threat researcher Maxime Thiebaut for reporting the bug in May. However, […]

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Broadcom fixes high-severity VMware NSX bugs reported by NSA

Broadcom has released security updates to patch two high-severity VMware NSX vulnerabilities reported by the U.S. National Security Agency (NSA). VMware NSX is a networking virtualization solution within VMware Cloud Foundation that enables administrators to deploy traditional and modern applications in private/hybrid clouds. The first security flaw reported by the NSA, tracked as CVE-2025-41251, is due […]

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VMware fixes four ESXi zero-day bugs exploited at Pwn2Own Berlin

VMware fixed four vulnerabilities in VMware ESXi, Workstation, Fusion, and Tools that were exploited as zero-days during the Pwn2Own Berlin 2025 hacking contest in May 2025. Three of the patched flaws have a severity rating of 9.3, as they allow programs running in a guest virtual machine to execute commands on the host. These flaws […]

1 min read

VMware Workstation auto-updates broken after Broadcom URL redirect

VMware Workstation users report that the software’s automatic update functionality is broken after Broadcom redirected the download URL to its generic support page, triggering certificate errors. The software contains a feature that checks for new updates on startup (if configured) and can be manually triggered by clicking Help > Software Updates. This will cause the program to connect […]

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Broadcom warns of authentication bypass in VMware Windows Tools

Broadcom released security updates today to fix a high-severity authentication bypass vulnerability in VMware Tools for Windows. VMware Tools is a suite of drivers and utilities designed to improve performance, graphics, and overall system integration for guest operating systems running in VMware virtual machines. The vulnerability (CVE-2025-22230) is caused by an improper access control weakness […]

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Over 37,000 VMware ESXi servers vulnerable to ongoing attacks

Over 37,000 internet-exposed VMware ESXi instances are vulnerable to CVE-2025-22224, a critical out-of-bounds write flaw that is actively exploited in the wild. This massive exposure is being reported by threat monitoring platform The Shadowserver Foundation, which reported a figure of around 41,500 yesterday. Today, ShadowServer now reports that 37,000 are still vulnerable, indicating that 4,500 devices were […]

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Broadcom fixes three VMware zero-days exploited in attacks

Broadcom warned customers today about three VMware zero-days, tagged as exploited in attacks and reported by the Microsoft Threat Intelligence Center. The vulnerabilities (CVE-2025-22224, CVE-2025-22225, and CVE-2025-22226) impact VMware ESX products, including VMware ESXi, vSphere, Workstation, Fusion, Cloud Foundation, and Telco Cloud Platform. Attackers with privileged administrator or root access can chain these flaws to escape […]

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Critical RCE bug in VMware vCenter Server now exploited in attacks

Broadcom warned today that attackers are now exploiting two VMware vCenter Server vulnerabilities, one of which is a critical remote code execution flaw. TZL security researchers reported the RCE vulnerability (CVE-2024-38812) during China’s 2024 Matrix Cup hacking contest. It is caused by a heap overflow weakness in the vCenter’s DCE/RPC protocol implementation and affects products […]

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VMware makes Workstation and Fusion free for everyone

​VMware has announced that its VMware Fusion and VMware Workstation desktop hypervisors are now free to everyone for commercial, educational, and personal use. In May, the company also made VMware Workstation Pro and Fusion Pro free for personal use, allowing students and home users to set up virtualized test labs and experiment with other OSs by […]

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VMware fixes bad patch for critical vCenter Server RCE flaw

VMware has released another security update for CVE-2024-38812, a critical VMware vCenter Server remote code execution vulnerability that was not correctly fixed in the first patch from September 2024. The flaw is rated critical (CVSS v3.1 score: 9.8) and stems from a heap overflow weakness in vCenter’s DCE/RPC protocol implementation, impacting the vCenter Server and […]

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