CVE-2026-41709
Broadcom VMWare ESX Insufficient Logging Vulnerability
Broadcom VMware ESX
VMware ESX contains an insufficient logging vulnerability. A malicious administrator could exploit this issue to perform certain operations without them being logged.
Exploitation status
CISA Known Exploited Vulnerabilities
Listed by CISA on 28 October 2026. US federal agencies were required to remediate it by 11 November 2026.
EPSS — exploitation probability
FIRST puts the probability of exploitation activity in the next 30 days at 0.7%, which is higher than 52.9% of all scored vulnerabilities. EPSS is a forecast of activity, not a measure of severity, and it is rescored daily.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N
Frequently asked questions
Is CVE-2026-41709 being exploited by ransomware groups?
No ransomware group in this database is currently recorded as exploiting CVE-2026-41709.
What does CVE-2026-41709 affect?
CVE-2026-41709 affects Broadcom VMware ESX. VMware ESX contains an insufficient logging vulnerability. A malicious administrator could exploit this issue to perform certain operations without them being logged.
How severe is CVE-2026-41709?
CVE-2026-41709 is rated LOW with a CVSS base score of 2.7. EPSS puts the probability of exploitation in the next 30 days at 0.7%, higher than 52.9% of all scored vulnerabilities. It is listed in the CISA Known Exploited Vulnerabilities catalog, with a federal remediation deadline of 11 November 2026.
How should organisations respond to CVE-2026-41709?
Apply the vendor patch for Broadcom VMware ESX as the first priority, and treat any internet-facing instance as the most urgent. Because this vulnerability is associated with ransomware activity, also review whether the affected systems were reachable before patching, rather than assuming that patching alone closes the incident.