low · CVSS 2.7Known exploitation

CVE-2026-41709

ESX insufficient logging vulnerability

Published 30 Jul 2026 · Source updated 29 Oct 2026 · Retrieved 2026-10-31 22:00 UTC

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What happened?

VMware ESX contains an insufficient logging vulnerability. A malicious administrator could exploit this issue to perform certain operations without them being logged.

Description supplied by CVE Program. Formatting is simplified; follow the original advisory for full details.

Affected software and versions

Source-provided software and version information
Software	Version information	Fixed version
Cloud FoundationVMware	affected: 9.1.x.x; affected: 9.0.x.x; affected: 5.x to < 5.2.4	See vendor advisory
vSphere FoundationVMware	affected: 9.1.x.x; affected: 9.0.x.x	See vendor advisory
ESXVMware	affected: 9.1.x.x to < ESXi-9.1.0.0-25370933; affected: 9.0.x.x to < ESXi-9.0.2.0100-25595025; affected: 8.0 to < ESXi80U3j-25429389	See vendor advisory
Telco Cloud PlatformVMware	affected: 5.1.x; affected: 5.0.x	See vendor advisory

Version information comes from the source record and can include unaffected products and exceptions. Distribution packages may contain backported fixes: an older upstream version alone does not prove a server is affected.

Is it being exploited?

CISA lists this CVE in its Known Exploited Vulnerabilities catalogue. Added 2026-10-28.

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.

CISA data retrieved 2026-11-01 01:55 UTC. Check CISA ↗

How to respond

Confirm the product, installed package version, and any configuration requirements in the vendor advisory.
Follow the vendor’s remediation or workaround guidance in the references below. Structured fixed-version data is unavailable here; the publisher’s description may include a fix or workaround.
Restart affected services if required, then verify the running version. Known exploitation may warrant investigation as well as patching.

Sources and remediation references

This public advisory does not determine whether a particular server is affected. Records are refreshed as sources change; verify urgent decisions against the original advisory.

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