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Vulnerability record · CVE-2025-62623 · published 13 May 2026

CVE-2025-62623: Memory buffer overflow vulnerability

A heap-based buffer overflow in the ionic cloud driver for VMware ESXi could allow an attacker to achieve privilege escalation, potentially resulting in arbitrary code execution.

8.8 CVSS 4.0 High EPSS 0.10% · top 99.3% CWE-119 · Memory buffer overflow Awaiting Analysis
8.8CVSS 4.0 base score
0.10%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
1References
17 Jun 2026Last modified by NVD

Description

A heap-based buffer overflow in the ionic cloud driver for VMware ESXi could allow an attacker to achieve privilege escalation, potentially resulting in arbitrary code execution.

CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

References

LinkTags
https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-2001.html

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Source: NIST National Vulnerability Database (record CVE-2025-62623), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.