8.8
HIGH CVSS 4.0
CVE-2025-62623
VMware ESXi Heap-Based Buffer Overflow Privilege Escalation
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.

INFO

Published Date :

May 13, 2026, 2:58 a.m.

Last Modified :

May 13, 2026, 2:58 a.m.

Remotely Exploit :

No

Source :

AMD
Affected Products

The following products are affected by CVE-2025-62623 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

No affected product recoded yet

CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 4.0 HIGH b58fc414-a1e4-4f92-9d70-1add41838648
Solution
Address heap-based buffer overflow to prevent privilege escalation and code execution.
  • Update VMware ESXi to the latest version.
  • Apply security patches for the ionic cloud driver.
  • Restrict access to the affected component.
  • Monitor system logs for suspicious activity.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2025-62623 vulnerability anywhere in the article.

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.