What is CVE-2025-62623?
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.
The record classifies CVE-2025-62623 under weakness class CWE-119. 1 affected-product entry is recorded, across 1 vendor, listed below. The identifier was first published 165 days ago.
Severity and exploitation probability
- CVSS v4.0 base score
- 8.8 — High (derived from score)
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 - EPSS (FIRST)
- 0.0% probability of exploitation in the next 30 days, higher than 71.4% of all scored CVEs
- CISA KEV
- Not listed in the CISA Known Exploited Vulnerabilities catalog
- Threadlinqs priority
- 7.3/10 — a Threadlinqs composite of the CVSS base score, the EPSS percentile and public exploit availability
- Published
- 2026-05-13, last modified 2026-05-14
Is CVE-2025-62623 being exploited?
It currently carries a trending score of 23 in the Threadlinqs vulnerability feed.
Affected products and versions
- AMD: ESXi 8.x and ESXi 9.x hosts using AMD-Pensando DPU products
How to fix CVE-2025-62623
No vendor patch reference has been recorded for CVE-2025-62623 in the tracked sources. Follow the references below for a fix, and treat the products listed above as exposed until the vendor states otherwise.
Threat activity tracking CVE-2025-62623
1 tracked threat in the Threadlinqs corpus references CVE-2025-62623, either in the campaign’s CVE list or as an indicator on the campaign record.
Sources
Enriched from CVE.org, NVD, FIRST EPSS, GitHub Security Advisories. Last verified by Threadlinqs on . This product uses the NVD API but is not endorsed or certified by the NVD.