Is CVE-2025-22225 being actively exploited?

Yes. CVE-2025-22225 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, added on March 4, 2025.

What is the CVSS score for CVE-2025-22225?

CVE-2025-22225 has a CVSS 3.1 base score of 8.2 (HIGH).

CVE-2025-22225

HIGH · CVSS 8.2CISA KEV: actively exploitedEPSS 1.0%EU EUVD: exploited

VMware ESXi contains an arbitrary write vulnerability. A malicious actor with privileges within the VMX process may trigger an arbitrary kernel write leading to an escape of the sandbox.

Key facts

CVSS score: 8.2 (v3.1)
Severity: HIGH
CVSS vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
Weakness (CWE): CWE-787
EPSS score: 1.0% (63th percentile)
In CISA KEV: Yes, added March 4, 2025
In EU EUVD: Yes (EUVD-2025-7604)
Published: March 4, 2025
NVD last modified: August 4, 2026
Status: Analyzed

CISA Known Exploited Vulnerability

VMware ESXi Arbitrary Write Vulnerability

Added to the KEV catalog on March 4, 2025; federal remediation due March 25, 2025. Known to be used in ransomware campaigns.

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2025-7604 in the EU Vulnerability Database. ENISA flags it as known exploited. Last updated in EUVD on August 4, 2026.

View on the EU Vulnerability Database

Affected products

vmware / cloud foundation
vmware / esxi
vmware / esxi
vmware / esxi
vmware / esxi
vmware / esxi
vmware / esxi
vmware / esxi
vmware / esxi
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vmware / esxi
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vmware / esxi
vmware / esxi
vmware / esxi
vmware / esxi
vmware / esxi
vmware / esxi
vmware / esxi
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vmware / esxi
vmware / esxi
vmware / esxi
vmware / esxi
vmware / esxi
vmware / esxi
vmware / esxi
vmware / esxi
vmware / esxi
vmware / telco cloud infrastructure
vmware / telco cloud infrastructure
vmware / telco cloud infrastructure
vmware / telco cloud infrastructure
vmware / telco cloud platform
vmware / telco cloud platform

and 5 more…

Certified products that may be affected

1 FIPS 140 or Common Criteria certified product, from automated matching by sec-certs.org.

VMware ESXi 7.0 Update 3d - VMware Inc. - Common Criteria CCEVS-VR-VID-11249-2022 - archived

References

https://support.broadcom.com/web/ecx/support-content-notification/-/external/content/SecurityAdvisories/0/25390(Vendor Advisory)
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-22225(US Government Resource)

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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