---
id: "CVE-2026-41709"
kind: "vulnerability"
aliases: ["CVE-2026-41709"]
title: "VMware ESX contains an insufficient logging vulnerability"
severity: "medium"
cvss: 2.7
epss: 0.00297
exploited: true
status: "open"
category: "infrastructure"
products: [{"name": "Broadcom VMware ESX", "fixed": [], "affected": "", "ecosystem": "vendor"}]
ecosystems: ["vendor"]
tags: ["exploited", "hypervisor", "infrastructure", "self-hosted", "vmware-esx"]
not_affected_if: ["no-esx-hosts"]
published_at: "2026-07-30T14:16:57+00:00"
first_seen_at: "2026-10-28T20:01:38+00:00"
updated_at: "2026-10-28T20:59:22+00:00"
sources: [{"source": "kev", "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2026-41709", "first_seen_at": "2026-10-28T20:01:38+00:00"}, {"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-41709", "first_seen_at": "2026-10-28T20:05:07+00:00"}, {"source": "epss", "url": "https://api.first.org/data/v1/epss?cve=CVE-2026-41709", "first_seen_at": "2026-10-28T20:59:22+00:00"}]
---

# VMware ESX contains an insufficient logging vulnerability

Broadcom VMware ESX has an insufficient logging flaw that lets a malicious user with admin access perform some operations without them being logged. CISA lists it as actively exploited, so attackers are using it in the wild.

_Summary, check and fix written by a model from the sources; labelled as such._

## Affected

- vendor:Broadcom VMware ESX affected ? fixed ?

## How to check

- unknown

## Fix

- Apply the mitigations from Broadcom's vendor advisory, as CISA requires under BOD 26-04.
- Follow CISA's Forensics Triage Requirements for affected hosts.
- unknown for specific fixed ESX versions.

## Timeline

- 2026-10-28T20:01:38+00:00 kev https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2026-41709
- 2026-10-28T20:05:07+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2026-41709
- 2026-10-28T20:59:22+00:00 epss https://api.first.org/data/v1/epss?cve=CVE-2026-41709

## From the sources

Broadcom VMWare ESX contains an insufficient logging vulnerability that could allow a malicious actor with admin access to perform certain operations without being logged.

CISA 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.

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_Free to read at a human pace. An API with keys and an MCP server are in preparation; early access: hello@infrastack.ai_
