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VMware ESX CVE-2026-41709

| EUVDEUVD-2026-51107 LOW
Insufficient Logging (CWE-778)
2026-07-30 vmware GHSA-vpqj-56x2-gp9p
Low
Disputed · 2.7 Vendor: vmware

Severity by source

Sources disagree (Low–High)
Vendor (vmware) PRIMARY
2.7 LOW
AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N
ENISA EUVD
HIGH
qualitative
vuln.today AI
2.7 LOW

PR:H required because exploitation demands existing administrator credentials; I:L reflects unlogged operations enabling undetected integrity changes; C and A remain N as no data is exposed or service disrupted.

3.1 AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N
4.0 AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N

vuln.today treats the vendor’s rating as authoritative. A higher third-party CVSS (e.g. CISA-ADP) is shown for transparency but does not drive the headline severity.

CVSS VectorVendor: vmware

Attack Vector
Network
Attack Complexity
Low
Privileges Required
High
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
Low
Availability
None

Lifecycle Timeline

3
Patch available
Jul 30, 2026 - 14:03 EUVD
Analysis Generated
Jul 30, 2026 - 13:50 vuln.today
CVE Published
Jul 30, 2026 - 12:45 cve.org
LOW 2.7

DescriptionCVE.org

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

AnalysisAI

Insufficient audit logging in VMware ESX and related Broadcom virtualization platforms allows a malicious administrator to perform certain privileged operations without generating corresponding log entries. Affected products span the VMware ecosystem including Cloud Foundation, vSphere Foundation, ESX, and Telco Cloud Platform. No public exploit code exists and the vulnerability is not listed in CISA KEV, but the insider-threat and post-compromise forensic evasion implications are meaningful for organizations relying on audit logs for compliance and incident response.

Technical ContextAI

CWE-778 (Insufficient Logging) describes a condition where security-relevant events are not recorded with enough detail to support accountability and forensic investigation. VMware ESX is the core bare-metal hypervisor underpinning VMware's virtualization stack; it is exposed across Cloud Foundation (cpe:2.3:a:vmware:cloud_foundation), vSphere Foundation (cpe:2.3:a:vmware:vsphere_foundation), ESX itself (cpe:2.3:a:vmware:esx), and Telco Cloud Platform (cpe:2.3:a:vmware:telco_cloud_platform). The vulnerability implies that specific administrative API calls or management-plane actions bypass the audit subsystem, leaving no authoritative record of those operations. This breaks the chain of custody required by frameworks such as PCI-DSS, HIPAA, and SOC 2 that mandate administrator activity logging on hypervisor infrastructure.

RemediationAI

Consult the Broadcom security advisory at https://support.broadcom.com/web/ecx/support-content-notification/-/external/content/SecurityAdvisories/0/38017 for the authoritative patched version and upgrade instructions; exact fix versions are not confirmed from available intelligence and should not be inferred. Until a patch is applied, compensating controls include enabling external syslog forwarding to an immutable SIEM so that any logs the hypervisor does emit are preserved out-of-band and cannot be tampered with by a local admin - this does not fix the missing log entries but limits the attacker's ability to alter records that are captured. Additionally, applying strict role separation and privileged access workstation (PAW) policies to limit the number of accounts with full ESX administrator rights reduces the population of principals who could exploit this flaw. Periodic reconciliation of administrator activity against change-management tickets can surface undocumented actions even in the absence of complete logs.

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CVE-2026-41709 vulnerability details – vuln.today

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