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

July 29, 2026 1 Min Read 0

Threat Intelligence Brief

Curated summary with source attribution

Source: thehackernews.com

Threat Risk: High
Victim: Organizations utilizing VMware virtualization infrastructure
Incident: Discovery and patching of multiple critical vulnerabilities in VMware vCenter and ESX.
Impact: Potential for complete system takeover via authentication bypass, remote code execution, and virtual machine escape.
Attacker: Unidentified threat actors
Analysis: The most severe vulnerabilities allow unauthenticated remote actors to bypass security controls and execute arbitrary code within vCenter. Additionally, a high-severity flaw in the VMXNET3 adapter enables a guest-to-host escape, granting attackers control over the underlying ESX host. While no active exploitation is reported, the high CVSS scores make these prime targets for threat actors.
Recommendations: Apply Broadcom’s security patches for vCenter and ESXi immediately.; Restrict network access to vCenter management interfaces to trusted administrative hosts.; Audit virtual machine permissions to minimize local administrative access on guest OSs.
Source: The Hacker News

Editorial note: this post summarizes third-party reporting and links to the original source.
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