VMware ESXi
YES - ON THE CISA KEV LIST
CVE-2025-22225
VMware ESXi Arbitrary Write Vulnerability
overdue since 2025-03-25
VMware: 26 entries (1.5% of all KEV entries are from this vendor); 0 added in 2026.
BOD 26-04 note: this is the date printed in the CISA catalog. A federal agency's actual deadline is set by its SSVC tier - Act (3 days), Attend (14 days), Track (60 days), or the next scheduled upgrade - counted from the KEV listing date or the date the vulnerability is identified in its environment, whichever comes first. Use the tier helper on each CVE page for your own window.
Your BOD 26-04 window (SSVC tier helper)
Your remediation window ends:
Description
VMware ESXi contains an arbitrary write vulnerability. Successful exploitation allows an attacker with privileges within the VMX process to trigger an arbitrary kernel write leading to an escape of the sandbox.
Required action (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.
Notes
https://support.broadcom.com/web/ecx/support-content-notification/-/external/content/SecurityAdvisories/0/25390 ; https://nvd.nist.gov/vuln/detail/CVE-2025-22225
References
Other KEV entries for this vendor: VMware
- CVE-2025-22226 - ESXi, Workstation, and Fusion (2025-03-04)
- CVE-2025-22224 - ESXi and Workstation (2025-03-04)
- CVE-2024-38813 - vCenter Server (2024-11-20)
- CVE-2024-38812 - vCenter Server (2024-11-20)
- CVE-2024-37085 - ESXi (2024-07-30)
- CVE-2022-22948 - vCenter Server (2024-07-17)
- CVE-2023-34048 - vCenter Server (2024-01-22)
- CVE-2023-20867 - Tools (2023-06-23)
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