Known exploited vulnerability
CVE-2025-22226
The short answer
CVE-2025-22226 affects n/a ESXi and is rated medium (CVSS 6.0). CISA added it to the Known Exploited Vulnerabilities catalog on 2025-03-04: attackers are using it, so patch it first.
What it is
VMware ESXi, Workstation, and Fusion contain an information disclosure vulnerability due to an out-of-bounds read in HGFS. A malicious actor with administrative privileges to a virtual machine may be able to exploit this issue to leak memory from the vmx process.
Weakness: CWE-125.
Severity
6.0 medium
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N
Exploited (CISA KEV)
Yes, since Mar 4, 2025
Federal due date Mar 25, 2025
EPSS, next 30 days
1.6%
Higher than 76% of scored CVEs
How it can be exploited
- Attack vector
- Local
- Attack complexity
- Low
- Privileges required
- High
- User interaction
- None
- Scope
- Changed
- Confidentiality impact
- High
- Integrity impact
- None
- Availability impact
- None
What CISA says 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.
Affected products
ESXi, VMware Workstation, VMware Fusion, VMware Cloud Foundation, VMware Telco Cloud Platform, VMware Telco Cloud Infrastructure. NVD's record lists the exact affected versions.
References
Questions
Is CVE-2025-22226 being exploited?
Yes. CISA added CVE-2025-22226 to its Known Exploited Vulnerabilities catalog on 2025-03-04, with a federal remediation due date of 2025-03-25.
How do I fix CVE-2025-22226?
CISA's required action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
From NVD, CISA KEV, FIRST EPSS and OSV.dev, checked . Status on NVD: Analyzed. The description is NVD's text, quoted as published.
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