VMware ESXi and Workstation TOCTOU Race Condition Vulnerability. Actively exploited: CISA added this vulnerability to its Known Exploited Vulnerabilities catalog on 04/03/2025. Patch affected systems as an emergency.
| Package | Affected versions | Patched versions |
|---|---|---|
| telco cloud infrastructure | = 2.2= 2.5= 2.7= 3.0 | |
| telco cloud platform | = 2.0= 2.5= 2.7= 3.0= 4.0= 4.0.1= 5.0 | |
| workstation | ≥ 17.0, < 17.6.3 | 17.6.3 |
VMware ESXi, and Workstation contain a TOCTOU (Time-of-Check Time-of-Use) vulnerability that leads to an out-of-bounds write. A malicious actor with local administrative privileges on a virtual machine may exploit this issue to execute code as the virtual machine's VMX process running on the host.
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