High (8.2) in VMware ESXi. In CISA KEV since 2025-03-04, with known ransomware use. EPSS 1.0% chance of exploitation in the next 30 days.
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.
Severity
CVSS 3.1
8.2 high
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
EPSS
1.0% chance of exploitation in the next 30 days; higher than 63% of CVEs (scores of 2026-10-31)
CISA KEV
listed 2025-03-04, due 2025-03-25, known ransomware use