CVE-2026-41709 — Broadcom VMWare ESX Insufficient Logging Vulnerability

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

01What is this vulnerability?

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

02Affected products

Vendor	Product	Versions
vmware	esxi	>= 9.0.0, < 9.0.2.0100
vmware	esxi	8.0

03Active exploitation status

Yes — actively exploited. Added to the CISA KEV catalog on 2026-10-28. Ransomware use: Unknown.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2026-07-30T14:16:57.420
• Last modified: 2026-10-29T17:29:11.590
• Added to CISA KEV: 2026-10-28
• BOD 22-01 due: 2026-11-11

09References

• support.broadcom.com — https://support.broadcom.com/web/ecx/support-content-notification/-/external/con…
• www.cisa.gov — https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-…