CISA-confirmed known exploited vulnerability

CVE-2025-22226

VMware ESXi, Workstation, and Fusion Information Disclosure Vulnerability

VMware · ESXi, Workstation, and Fusion

Vulnerability details

VMware ESXi, Workstation, and Fusion contain an information disclosure vulnerability due to an out-of-bounds read in HGFS. Successful exploitation allows an attacker with administrative privileges to a virtual machine to leak memory from the vmx process.

Added to CISA KEV: 2025-03-04

Ransomware campaign use: Unknown

CISA due date: 2025-03-25

Defensive guidance from CISA

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

This is the source's required-action field, not an independently validated patch procedure. Refer to the vendor for exact affected versions and fixes.

Source catalog date: 2026-11-06T19:44:45.1797Z · Last retrieved: 2026-11-06 21:02:26 UTC

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