{"schema_version":1,"title":"VMware ESXi vulnerabilities","summary":"Junglewise Threat Intelligence has tracked 11 vulnerabilities in VMware ESXi: 0 in the last 7 days and 3 in the last 90 days, 9 of them critical and 8 exploited in the wild. The most recent, CVE-2026-41709, was published on 30 July 2026.","url":"https://junglewise.ai/threats/technologies/esxi","json_url":"https://junglewise.ai/threats/technologies/esxi.json","publisher":"Junglewise Threat Intelligence","license":"CC-BY-4.0","license_url":"https://creativecommons.org/licenses/by/4.0/","attribution":"Junglewise Threat Intelligence, https://junglewise.ai/threats/technologies/esxi","sources":"NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories","kind":"technology","counts":{"high":1,"all_time":11,"critical":9,"exploited":8,"last_7_days":0,"last_30_days":0,"last_90_days":3,"last_365_days":3},"latest":[{"cve":"CVE-2026-41709","cvss":2.7,"slug":"cve-2026-41709-vmware-esx-insufficient-logging-vulnerability","title":"VMware ESX insufficient logging vulnerability","severity":"low","exploited":false,"published_at":"2026-07-30T14:16:57.42+00:00","url":"https://junglewise.ai/threats/cve-2026-41709-vmware-esx-insufficient-logging-vulnerability"},{"cve":"CVE-2026-47876","cvss":9.3,"slug":"cve-2026-47876-vmware-esx-out-of-bounds-write-in-vmxnet3-adapter","title":"VMware ESX out-of-bounds write in VMXNET3 adapter","severity":"critical","exploited":false,"published_at":"2026-07-30T13:16:51.1+00:00","url":"https://junglewise.ai/threats/cve-2026-47876-vmware-esx-out-of-bounds-write-in-vmxnet3-adapter"},{"cve":"CVE-2026-41703","cvss":7.6,"slug":"cve-2026-41703-vmware-esxi-workstation-and-fusion-out-of-bounds-read","title":"VMware ESXi, Workstation, and Fusion out-of-bounds read","severity":"high","exploited":false,"published_at":"2026-07-30T13:16:49.3+00:00","url":"https://junglewise.ai/threats/cve-2026-41703-vmware-esxi-workstation-and-fusion-out-of-bounds-read"},{"cve":"CVE-2025-22225","cvss":8.2,"slug":"cve-2025-22225-vmware-esxi-arbitrary-write-vulnerability","title":"VMware ESXi Arbitrary Write Vulnerability","severity":"critical","exploited":true,"published_at":"2025-03-04T00:00:00+00:00","url":"https://junglewise.ai/threats/cve-2025-22225-vmware-esxi-arbitrary-write-vulnerability"},{"cve":"CVE-2025-22224","cvss":9.3,"slug":"cve-2025-22224-vmware-esxi-and-workstation-toctou-race-condition-vulnerability","title":"VMware ESXi and Workstation TOCTOU Race Condition Vulnerability","severity":"critical","exploited":true,"published_at":"2025-03-04T00:00:00+00:00","url":"https://junglewise.ai/threats/cve-2025-22224-vmware-esxi-and-workstation-toctou-race-condition-vulnerability"},{"cve":"CVE-2025-22226","cvss":7.1,"slug":"cve-2025-22226-vmware-esxi-workstation-and-fusion-information-disclosure","title":"VMware ESXi, Workstation, and Fusion Information Disclosure Vulnerability","severity":"critical","exploited":true,"published_at":"2025-03-04T00:00:00+00:00","url":"https://junglewise.ai/threats/cve-2025-22226-vmware-esxi-workstation-and-fusion-information-disclosure"},{"cve":"CVE-2024-37085","cvss":7.2,"slug":"cve-2024-37085-vmware-esxi-authentication-bypass-vulnerability","title":"VMware ESXi Authentication Bypass Vulnerability","severity":"critical","exploited":true,"published_at":"2024-07-30T00:00:00+00:00","url":"https://junglewise.ai/threats/cve-2024-37085-vmware-esxi-authentication-bypass-vulnerability"},{"cve":"CVE-2023-29552","cvss":7.5,"slug":"cve-2023-29552-service-location-protocol-slp-denial-of-service-vulnerability","title":"Service Location Protocol (SLP) Denial-of-Service Vulnerability","severity":"critical","exploited":true,"published_at":"2023-11-08T00:00:00+00:00","url":"https://junglewise.ai/threats/cve-2023-29552-service-location-protocol-slp-denial-of-service-vulnerability"},{"cve":"CVE-2023-20867","cvss":3.9,"slug":"cve-2023-20867-vmware-tools-authentication-bypass-vulnerability","title":"VMware Tools Authentication Bypass Vulnerability","severity":"critical","exploited":true,"published_at":"2023-06-23T00:00:00+00:00","url":"https://junglewise.ai/threats/cve-2023-20867-vmware-tools-authentication-bypass-vulnerability"},{"cve":"CVE-2019-5544","cvss":9.8,"slug":"cve-2019-5544-vmware-esxi-and-horizon-daas-openslp-heap-based-buffer-overflow","title":"VMware ESXi and Horizon DaaS OpenSLP Heap-Based Buffer Overflow Vulnerability","severity":"critical","exploited":true,"published_at":"2021-11-03T00:00:00+00:00","url":"https://junglewise.ai/threats/cve-2019-5544-vmware-esxi-and-horizon-daas-openslp-heap-based-buffer-overflow"},{"cve":"CVE-2020-3992","cvss":9.8,"slug":"cve-2020-3992-vmware-esxi-openslp-use-after-free-vulnerability","title":"VMware ESXi OpenSLP Use-After-Free Vulnerability","severity":"critical","exploited":true,"published_at":"2021-11-03T00:00:00+00:00","url":"https://junglewise.ai/threats/cve-2020-3992-vmware-esxi-openslp-use-after-free-vulnerability"}],"weekly":[{"week":"2026-06-29","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-06","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-13","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-20","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-27","critical":1,"exploited":0,"vulnerabilities":3},{"week":"2026-08-03","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-10","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-17","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-24","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-31","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-07","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-14","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-21","critical":0,"exploited":0,"vulnerabilities":0}],"related":[{"name":"VMware Spring Framework","slug":"spring-framework","vulnerabilities":24,"url":"https://junglewise.ai/threats/technologies/spring-framework"},{"name":"VMware Cloud Foundation","slug":"cloud-foundation","vulnerabilities":21,"url":"https://junglewise.ai/threats/technologies/cloud-foundation"},{"name":"VMware Spring Security","slug":"spring-security","vulnerabilities":15,"url":"https://junglewise.ai/threats/technologies/spring-security"},{"name":"VMware Spring AI","slug":"spring-ai","vulnerabilities":14,"url":"https://junglewise.ai/threats/technologies/spring-ai"},{"name":"VMware Spring Boot","slug":"spring-boot","vulnerabilities":11,"url":"https://junglewise.ai/threats/technologies/spring-boot"},{"name":"VMware Avi Load Balancer","slug":"avi-load-balancer","vulnerabilities":7,"url":"https://junglewise.ai/threats/technologies/avi-load-balancer"},{"name":"VMware Spring for GraphQL","slug":"spring-for-graphql","vulnerabilities":7,"url":"https://junglewise.ai/threats/technologies/spring-for-graphql"},{"name":"VMware Spring Integration","slug":"spring-integration","vulnerabilities":7,"url":"https://junglewise.ai/threats/technologies/spring-integration"},{"name":"VMware vSphere Foundation","slug":"vsphere-foundation","vulnerabilities":7,"url":"https://junglewise.ai/threats/technologies/vsphere-foundation"},{"name":"VMware Spring Web Services","slug":"web-services","vulnerabilities":7,"url":"https://junglewise.ai/threats/technologies/web-services"},{"name":"VMware Fusion","slug":"fusion","vulnerabilities":6,"url":"https://junglewise.ai/threats/technologies/fusion"},{"name":"VMware Spring Data REST","slug":"spring-data-rest","vulnerabilities":6,"url":"https://junglewise.ai/threats/technologies/spring-data-rest"}],"technology":{"hub":true,"name":"VMware ESXi","slug":"esxi","vendor":{"name":"VMware","slug":"vmware","url":"https://junglewise.ai/threats/vendors/vmware"},"aliases":["vmware-esxi"],"category":"hypervisor","homepage":"https://www.vmware.com/products/esxi.html","description":"A bare-metal hypervisor that installs directly onto a physical server to manage multiple virtual machines.","url":"https://junglewise.ai/threats/technologies/esxi"},"most_severe":[{"cve":"CVE-2020-3992","cvss":9.8,"slug":"cve-2020-3992-vmware-esxi-openslp-use-after-free-vulnerability","title":"VMware ESXi OpenSLP Use-After-Free Vulnerability","severity":"critical","exploited":true,"published_at":"2021-11-03T00:00:00+00:00","url":"https://junglewise.ai/threats/cve-2020-3992-vmware-esxi-openslp-use-after-free-vulnerability"},{"cve":"CVE-2019-5544","cvss":9.8,"slug":"cve-2019-5544-vmware-esxi-and-horizon-daas-openslp-heap-based-buffer-overflow","title":"VMware ESXi and Horizon DaaS OpenSLP Heap-Based Buffer Overflow Vulnerability","severity":"critical","exploited":true,"published_at":"2021-11-03T00:00:00+00:00","url":"https://junglewise.ai/threats/cve-2019-5544-vmware-esxi-and-horizon-daas-openslp-heap-based-buffer-overflow"},{"cve":"CVE-2025-22224","cvss":9.3,"slug":"cve-2025-22224-vmware-esxi-and-workstation-toctou-race-condition-vulnerability","title":"VMware ESXi and Workstation TOCTOU Race Condition Vulnerability","severity":"critical","exploited":true,"published_at":"2025-03-04T00:00:00+00:00","url":"https://junglewise.ai/threats/cve-2025-22224-vmware-esxi-and-workstation-toctou-race-condition-vulnerability"},{"cve":"CVE-2025-22225","cvss":8.2,"slug":"cve-2025-22225-vmware-esxi-arbitrary-write-vulnerability","title":"VMware ESXi Arbitrary Write Vulnerability","severity":"critical","exploited":true,"published_at":"2025-03-04T00:00:00+00:00","url":"https://junglewise.ai/threats/cve-2025-22225-vmware-esxi-arbitrary-write-vulnerability"},{"cve":"CVE-2023-29552","cvss":7.5,"slug":"cve-2023-29552-service-location-protocol-slp-denial-of-service-vulnerability","title":"Service Location Protocol (SLP) Denial-of-Service Vulnerability","severity":"critical","exploited":true,"published_at":"2023-11-08T00:00:00+00:00","url":"https://junglewise.ai/threats/cve-2023-29552-service-location-protocol-slp-denial-of-service-vulnerability"},{"cve":"CVE-2024-37085","cvss":7.2,"slug":"cve-2024-37085-vmware-esxi-authentication-bypass-vulnerability","title":"VMware ESXi Authentication Bypass Vulnerability","severity":"critical","exploited":true,"published_at":"2024-07-30T00:00:00+00:00","url":"https://junglewise.ai/threats/cve-2024-37085-vmware-esxi-authentication-bypass-vulnerability"},{"cve":"CVE-2025-22226","cvss":7.1,"slug":"cve-2025-22226-vmware-esxi-workstation-and-fusion-information-disclosure","title":"VMware ESXi, Workstation, and Fusion Information Disclosure Vulnerability","severity":"critical","exploited":true,"published_at":"2025-03-04T00:00:00+00:00","url":"https://junglewise.ai/threats/cve-2025-22226-vmware-esxi-workstation-and-fusion-information-disclosure"},{"cve":"CVE-2023-20867","cvss":3.9,"slug":"cve-2023-20867-vmware-tools-authentication-bypass-vulnerability","title":"VMware Tools Authentication Bypass Vulnerability","severity":"critical","exploited":true,"published_at":"2023-06-23T00:00:00+00:00","url":"https://junglewise.ai/threats/cve-2023-20867-vmware-tools-authentication-bypass-vulnerability"},{"cve":"CVE-2026-47876","cvss":9.3,"slug":"cve-2026-47876-vmware-esx-out-of-bounds-write-in-vmxnet3-adapter","title":"VMware ESX out-of-bounds write in VMXNET3 adapter","severity":"critical","exploited":false,"published_at":"2026-07-30T13:16:51.1+00:00","url":"https://junglewise.ai/threats/cve-2026-47876-vmware-esx-out-of-bounds-write-in-vmxnet3-adapter"},{"cve":"CVE-2026-41703","cvss":7.6,"slug":"cve-2026-41703-vmware-esxi-workstation-and-fusion-out-of-bounds-read","title":"VMware ESXi, Workstation, and Fusion out-of-bounds read","severity":"high","exploited":false,"published_at":"2026-07-30T13:16:49.3+00:00","url":"https://junglewise.ai/threats/cve-2026-41703-vmware-esxi-workstation-and-fusion-out-of-bounds-read"}],"generated_at":"2026-09-26T09:11:00.170868+00:00"}