What is CVE-2026-41703?
VMware ESX, Workstation, and Fusion contain an out-of-bounds read vulnerability. A malicious actor with VM deployment privileges could trigger an out-of-bounds read, potentially leading to information disclosure or more likely a Denial-of-Service (DoS) condition of the host process. On Workstation and Fusion, the impact of this vulnerability is restricted to information disclosure.
The record classifies CVE-2026-41703 under weakness class CWE-125. Its CVSS v3 base vector states that the flaw is reachable remotely over the network, needs high-privilege credentials, needs no user interaction, and has high impact on confidentiality. 6 affected-product entries are recorded, across 1 vendor, listed below. The identifier was first published 90 days ago.
Severity and exploitation probability
- CVSS v3.1 base score
- 7.6 — HIGH
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:L - EPSS (FIRST)
- 0.4% probability of exploitation in the next 30 days, higher than 35.5% of all scored CVEs
- CISA KEV
- Not listed in the CISA Known Exploited Vulnerabilities catalog
- Threadlinqs priority
- 5.2/10 — a Threadlinqs composite of the CVSS base score, the EPSS percentile and public exploit availability
- Published
- 2026-07-30
Is CVE-2026-41703 being exploited?
It currently carries a trending score of 26 in the Threadlinqs vulnerability feed.
Affected products and versions
- VMware: Cloud Foundation, vSphere Foundation, ESX, Workstation, Fusion, Telco Cloud Platform
How to fix CVE-2026-41703
No vendor patch reference has been recorded for CVE-2026-41703 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-2026-41703
1 tracked threat in the Threadlinqs corpus references CVE-2026-41703, either in the campaign’s CVE list or as an indicator on the campaign record.
Sources
Enriched from CVE.org, FIRST EPSS, GitHub Security Advisories. Last verified by Threadlinqs on .