aiqbench analysis
This vulnerability exploits an integer overflow in VMware's VMXNET3 driver during TCP Segmentation Offload processing, allowing administrative users inside a guest to crash or potentially execute code on the host. The flaw stems from a 32-bit multiplication error that causes buffer overflows when handling large packet segments, a critical issue for virtualization infrastructure security. While patched in recent VMware releases, the availability of a proof-of-concept underscores the ongoing risks associated with legacy network adapter drivers in enterprise environments.
PoC Released for Critical VMware VMXNET3 Flaw Enabling Guest-to-Host Code Execution
A public proof of concept is now available for CVE-2026-59346, a critical integer overflow flaw in VMware’s VMXNET3 virtual network adapter, released by 0xCyberstan. The flaw can allow an attacker with administrative access inside a guest virtual machine to execute code on the host. However, the published PoC shows a host process crash, not a […] The post PoC Released for Critical VMware VMXNET3 Flaw Enabling Guest-to-Host Code Execution appeared first on Cyber Security News.
A public proof of concept is now available for CVE-2026-59346, a critical integer overflow flaw in VMware’s VMXNET3 virtual network adapter, released by 0xCyberstan. The flaw can allow an attacker with administrative access inside a guest virtual machine to execute code on the host. However, the published PoC shows a host process crash,…
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