CVEs / CVE-2026-41709
CVE-2026-41709: Broadcom VMWare ESX Insufficient Logging Vulnerability
- Known exploited in the CISA KEV catalog since 28 Oct 2026
- low 2.7 CVSS 3.1 (from the CNA)
- EPSS 0.68% chance of exploitation in the next 30 days, higher than 52% of CVEs (30 Oct 2026)
- Last changed at its sources
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Summary
Broadcom VMWare ESX contains an insufficient logging vulnerability that could allow a malicious actor with admin access to perform certain operations without being logged.
Description
VMware ESX contains an insufficient logging vulnerability. A malicious administrator could exploit this issue to perform certain operations without them being logged.
Affected and fixed versions
| Product | Affected | Fixed in |
|---|---|---|
| VMware Cloud Foundation | 9.1.x.x | — |
| VMware Cloud Foundation | 9.0.x.x | — |
| VMware Cloud Foundation | from 5.x, before 5.2.4 | 5.2.4 |
| VMware vSphere Foundation | 9.1.x.x | — |
| VMware vSphere Foundation | 9.0.x.x | — |
| VMware ESX | from 9.1.x.x, before ESXi-9.1.0.0-25370933 | ESXi-9.1.0.0-25370933 |
| VMware ESX | from 9.0.x.x, before ESXi-9.0.2.0100-25595025 | ESXi-9.0.2.0100-25595025 |
| VMware ESX | from 8.0, before ESXi80U3j-25429389 | ESXi80U3j-25429389 |
| VMware Telco Cloud Platform | 5.1.x | — |
| VMware Telco Cloud Platform | 5.0.x | — |
Exploitation
| In CISA KEV since | 28 Oct 2026 |
|---|---|
| Due date for US federal agencies | 11 Nov 2026 |
| Used in ransomware campaigns | Unknown |
| Required action | Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines. |
Severity
| CVSS 3.1 | 2.7 lowCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:NScored by the CNA ([email protected]) |
|---|---|
| Weakness | CWE-778 |
On the Stackurity blog
References
- CVE-2026-41709 on NVD
- CVE-2026-41709 in the CISA KEV catalog
- https://support.broadcom.com/web/ecx/support-content-notification/-/external/content/SecurityAdvisories/0/38017 (cited by CISA)
- https://www.cisa.gov/news-events/directives/bod-26-04-prioritizing-security-updates-based-risk (cited by CISA)
- https://www.cisa.gov/news-events/directives/bod-26-04-implementation-guidance-prioritizing-security-updates-based-risk (cited by CISA)
- https://support.broadcom.com/web/ecx/support-content-notification/-/external/content/SecurityAdvisories/0/38017 Vendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-41709 US Government Resource
Sources
Exploitation status from the CISA Known Exploited Vulnerabilities catalog. EPSS scores from FIRST. Descriptions, severity and references from the National Vulnerability Database. Open-source package versions from OSV (CC-BY 4.0). Text is shown as each source states it; Stackurity does not edit it. Check the vendor's advisory before acting.
This product uses data from the NVD API but is not endorsed or certified by the NVD.