# VMware ESXi vulnerabilities Source: https://junglewise.ai/threats/technologies/esxi Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats Updated: 9 November 2026, 03:07 UTC. Rebuilt every hour. Data: https://junglewise.ai/threats/technologies/esxi.json License: CC BY 4.0 with a link back Junglewise Threat Intelligence has tracked 11 vulnerabilities in VMware ESXi: 0 in the last 7 days and 0 in the last 90 days, 10 of them critical and 9 exploited in the wild. The most recent, CVE-2026-41709, was published on 30 July 2026. ## Counts - Last 7 days: 0 - Last 30 days: 0 - Last 90 days: 0 - All time: 11 (10 critical, 9 exploited in the wild) ## About VMware ESXi VMware hypervisor software for x86 server virtualization. ## Latest VMware ESXi vulnerabilities - [CVE-2026-41709: VMware ESX insufficient logging vulnerability](https://junglewise.ai/threats/cve-2026-41709-vmware-esx-insufficient-logging-vulnerability) (critical, exploited in the wild, CVSS 2.7, published 30 Jul 2026) - [CVE-2026-47876: VMware ESX out-of-bounds write in VMXNET3 adapter](https://junglewise.ai/threats/cve-2026-47876-vmware-esx-out-of-bounds-write-in-vmxnet3-adapter) (critical, CVSS 9.3, published 30 Jul 2026) - [CVE-2026-41703: VMware ESXi, Workstation, and Fusion out-of-bounds read](https://junglewise.ai/threats/cve-2026-41703-vmware-esxi-workstation-and-fusion-out-of-bounds-read) (high, CVSS 7.6, published 30 Jul 2026) - [CVE-2025-22225: VMware ESXi Arbitrary Write Vulnerability](https://junglewise.ai/threats/cve-2025-22225-vmware-esxi-arbitrary-write-vulnerability) (critical, exploited in the wild, CVSS 8.2, published 4 Mar 2025) - [CVE-2025-22224: VMware ESXi and Workstation TOCTOU Race Condition Vulnerability](https://junglewise.ai/threats/cve-2025-22224-vmware-esxi-and-workstation-toctou-race-condition-vulnerability) (critical, exploited in the wild, CVSS 9.3, published 4 Mar 2025) - [CVE-2025-22226: VMware ESXi, Workstation, and Fusion Information Disclosure Vulnerability](https://junglewise.ai/threats/cve-2025-22226-vmware-esxi-workstation-and-fusion-information-disclosure) (critical, exploited in the wild, CVSS 7.1, published 4 Mar 2025) - [CVE-2024-37085: VMware ESXi Authentication Bypass Vulnerability](https://junglewise.ai/threats/cve-2024-37085-vmware-esxi-authentication-bypass-vulnerability) (critical, exploited in the wild, CVSS 7.2, published 30 Jul 2024) - [CVE-2023-29552: Service Location Protocol (SLP) Denial-of-Service Vulnerability](https://junglewise.ai/threats/cve-2023-29552-service-location-protocol-slp-denial-of-service-vulnerability) (critical, exploited in the wild, CVSS 7.5, published 8 Nov 2023) - [CVE-2023-20867: VMware Tools Authentication Bypass Vulnerability](https://junglewise.ai/threats/cve-2023-20867-vmware-tools-authentication-bypass-vulnerability) (critical, exploited in the wild, CVSS 3.9, published 23 Jun 2023) - [CVE-2019-5544: VMware ESXi and Horizon DaaS OpenSLP Heap-Based Buffer Overflow Vulnerability](https://junglewise.ai/threats/cve-2019-5544-vmware-esxi-and-horizon-daas-openslp-heap-based-buffer-overflow) (critical, exploited in the wild, CVSS 9.8, published 3 Nov 2021) - [CVE-2020-3992: VMware ESXi OpenSLP Use-After-Free Vulnerability](https://junglewise.ai/threats/cve-2020-3992-vmware-esxi-openslp-use-after-free-vulnerability) (critical, exploited in the wild, CVSS 9.8, published 3 Nov 2021) ## Most severe VMware ESXi vulnerabilities - [CVE-2019-5544: VMware ESXi and Horizon DaaS OpenSLP Heap-Based Buffer Overflow Vulnerability](https://junglewise.ai/threats/cve-2019-5544-vmware-esxi-and-horizon-daas-openslp-heap-based-buffer-overflow) (critical, exploited in the wild, CVSS 9.8, published 3 Nov 2021) - [CVE-2020-3992: VMware ESXi OpenSLP Use-After-Free Vulnerability](https://junglewise.ai/threats/cve-2020-3992-vmware-esxi-openslp-use-after-free-vulnerability) (critical, exploited in the wild, CVSS 9.8, published 3 Nov 2021) - [CVE-2025-22224: VMware ESXi and Workstation TOCTOU Race Condition Vulnerability](https://junglewise.ai/threats/cve-2025-22224-vmware-esxi-and-workstation-toctou-race-condition-vulnerability) (critical, exploited in the wild, CVSS 9.3, published 4 Mar 2025) - [CVE-2025-22225: VMware ESXi Arbitrary Write Vulnerability](https://junglewise.ai/threats/cve-2025-22225-vmware-esxi-arbitrary-write-vulnerability) (critical, exploited in the wild, CVSS 8.2, published 4 Mar 2025) - [CVE-2023-29552: Service Location Protocol (SLP) Denial-of-Service Vulnerability](https://junglewise.ai/threats/cve-2023-29552-service-location-protocol-slp-denial-of-service-vulnerability) (critical, exploited in the wild, CVSS 7.5, published 8 Nov 2023) - [CVE-2024-37085: VMware ESXi Authentication Bypass Vulnerability](https://junglewise.ai/threats/cve-2024-37085-vmware-esxi-authentication-bypass-vulnerability) (critical, exploited in the wild, CVSS 7.2, published 30 Jul 2024) - [CVE-2025-22226: VMware ESXi, Workstation, and Fusion Information Disclosure Vulnerability](https://junglewise.ai/threats/cve-2025-22226-vmware-esxi-workstation-and-fusion-information-disclosure) (critical, exploited in the wild, CVSS 7.1, published 4 Mar 2025) - [CVE-2023-20867: VMware Tools Authentication Bypass Vulnerability](https://junglewise.ai/threats/cve-2023-20867-vmware-tools-authentication-bypass-vulnerability) (critical, exploited in the wild, CVSS 3.9, published 23 Jun 2023) - [CVE-2026-41709: VMware ESX insufficient logging vulnerability](https://junglewise.ai/threats/cve-2026-41709-vmware-esx-insufficient-logging-vulnerability) (critical, exploited in the wild, CVSS 2.7, published 30 Jul 2026) - [CVE-2026-47876: VMware ESX out-of-bounds write in VMXNET3 adapter](https://junglewise.ai/threats/cve-2026-47876-vmware-esx-out-of-bounds-write-in-vmxnet3-adapter) (critical, CVSS 9.3, published 30 Jul 2026) ## Vulnerabilities per week Nothing was published in the last eight weeks. | Week of | Vulns | Critical | Exploited | | --- | --- | --- | --- | | 17 Aug 2026 | 0 | 0 | 0 | | 24 Aug 2026 | 0 | 0 | 0 | | 31 Aug 2026 | 0 | 0 | 0 | | 7 Sep 2026 | 0 | 0 | 0 | | 14 Sep 2026 | 0 | 0 | 0 | | 21 Sep 2026 | 0 | 0 | 0 | | 28 Sep 2026 | 0 | 0 | 0 | | 5 Oct 2026 | 0 | 0 | 0 | | 12 Oct 2026 | 0 | 0 | 0 | | 19 Oct 2026 | 0 | 0 | 0 | | 26 Oct 2026 | 0 | 0 | 0 | | 2 Nov 2026 | 0 | 0 | 0 | | 9 Nov 2026 | 0 | 0 | 0 | ## Other VMware technologies - [VMware RabbitMQ](https://junglewise.ai/threats/technologies/vmware-rabbitmq): 30 vulnerabilities - [VMware Spring Framework](https://junglewise.ai/threats/technologies/spring-framework): 26 vulnerabilities - [VMware Cloud Foundation](https://junglewise.ai/threats/technologies/cloud-foundation): 21 vulnerabilities - [VMware Spring AI](https://junglewise.ai/threats/technologies/spring-ai): 20 vulnerabilities - [VMware Spring Security](https://junglewise.ai/threats/technologies/spring-security): 19 vulnerabilities - [VMware Spring Boot](https://junglewise.ai/threats/technologies/spring-boot): 11 vulnerabilities - [VMware Fusion](https://junglewise.ai/threats/technologies/fusion): 8 vulnerabilities - [VMware Avi Load Balancer](https://junglewise.ai/threats/technologies/avi-load-balancer): 7 vulnerabilities - [VMware Spring for GraphQL](https://junglewise.ai/threats/technologies/spring-for-graphql): 7 vulnerabilities - [VMware Spring Integration](https://junglewise.ai/threats/technologies/spring-integration): 7 vulnerabilities - [VMware vSphere Foundation](https://junglewise.ai/threats/technologies/vsphere-foundation): 7 vulnerabilities - [VMware Spring Web Services](https://junglewise.ai/threats/technologies/web-services): 7 vulnerabilities ## Sources NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "VMware ESXi vulnerabilities", https://junglewise.ai/threats/technologies/esxi, 9 November 2026.