CVE-2026-41709: Broadcom VMware ESX (Low, CVSS 2.7)
- CVSS
- 2.7 Low (v3.1)
- EPSS
- 0.8% chance of exploitation in the next 30 days (higher than 55.3% of CVEs)
- Exploited in the wild
- Yes, on CISA’s KEV list since Oct 28, 2026
- Public exploit
- None reported in public exploit databases
- Weakness
- CWE-778
- Vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N- Published
- Jul 30, 2026
- CISA fix-by date
- Nov 11, 2026 (for US federal agencies)
What it is
VMware ESX contains an insufficient logging vulnerability. A malicious administrator could exploit this issue to perform certain operations without them being logged.
Description from the National Vulnerability Database.
What to do
CISA: 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
Check whether you run Broadcom VMware ESX, then apply the vendor’s fix or mitigation from the advisories below. Because this flaw is exploited or has public exploit code, treat it as urgent and check for signs of compromise, not just the patch level.
ThreatRoundup coverage
China-Linked Hackers Used a VMware ESX Bug to Work Without Logs
Sources: NVD, FIRST EPSS, CISA KEV, and public exploit databases (availability only). ThreatRoundup reports whether public exploit code exists but never links to it: fake proof-of-concepts that infect security researchers are common. This page updates automatically.