VMware ESXi, Workstation, and Fusion Information Disclosure Vulnerability (CVE-2025-22226)
Severity: medium · Patch status: unknown · Since 2025-03-04 · CVE-2025-22226
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. CISA added CVE-2025-22226 to its Known Exploited Vulnerabilities catalog on Mar 4, 2025, which means attackers are exploiting it in the wild.
What to do
- Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
- US federal agencies must remediate by Mar 25, 2025 (BOD 22-01); treat that as the outer limit.
Sources
All live incidents on Threat Watch
