VMware ESXi and Workstation TOCTOU Race Condition Vulnerability
VMware ESXi and Workstation contain a time-of-check time-of-use (TOCTOU) race condition vulnerability that leads to an out-of-bounds write. Successful exploitation enables an attacker with local administrative privileges on a virtual machine to execute code as the virtual machine's VMX process running on the host.
- Vendor
- VMware
- Product
- ESXi and Workstation
- CVSS
- 9.3
- EPSS (exploit probability)
- 1.6%
- Status
- kev
- CISA patch-by (BOD 22-01)
- Published
VMware ESXi and Workstation contain a time-of-check time-of-use (TOCTOU) race condition vulnerability that leads to an out-of-bounds write. Successful exploitation enables an attacker with local administrative privileges on a virtual machine to execute code as the virtual machine’s VMX process running on the host.
Added to CISA’s Known Exploited Vulnerabilities catalog on 2025-03-04. Required action per 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. Due date: 2025-03-25.
This is an auto-synced KEV catalog record pending a full 0dayNews write-up — see CISA’s KEV catalog and the NVD record linked above for primary sources.