{"schema_version":1,"title":"Microsoft Hyper-V vulnerabilities","summary":"Junglewise Threat Intelligence has tracked 8 vulnerabilities in Microsoft Hyper-V: 0 in the last 7 days and 2 in the last 90 days, 1 of them critical and 0 exploited in the wild. The most recent, CVE-2026-50680, was published on 14 July 2026.","url":"https://junglewise.ai/threats/technologies/hyper-v","json_url":"https://junglewise.ai/threats/technologies/hyper-v.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/hyper-v","sources":"NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories","kind":"technology","counts":{"high":4,"all_time":8,"critical":1,"exploited":0,"last_7_days":0,"last_30_days":0,"last_90_days":2,"last_365_days":8},"latest":[{"cve":"CVE-2026-50680","cvss":8.2,"slug":"cve-2026-50680-microsoft-windows-hyper-v-heap-overflow-privilege-escalation","title":"Microsoft Windows Hyper-V heap overflow privilege escalation","severity":"high","exploited":false,"published_at":"2026-07-14T18:18:02.47+00:00","url":"https://junglewise.ai/threats/cve-2026-50680-microsoft-windows-hyper-v-heap-overflow-privilege-escalation"},{"cve":"CVE-2026-50485","cvss":4.5,"slug":"cve-2026-50485-microsoft-hyper-v-buffer-over-read-denial-of-service","title":"Microsoft Hyper-V buffer over-read denial of service","severity":"medium","exploited":false,"published_at":"2026-07-14T18:17:54.56+00:00","url":"https://junglewise.ai/threats/cve-2026-50485-microsoft-hyper-v-buffer-over-read-denial-of-service"},{"cve":"CVE-2026-47652","cvss":8.2,"slug":"cve-2026-47652-microsoft-hyper-v-out-of-bounds-read-code-execution","title":"Microsoft Hyper-V out-of-bounds read code execution","severity":"high","exploited":false,"published_at":"2026-06-09T17:17:36.623+00:00","url":"https://junglewise.ai/threats/cve-2026-47652-microsoft-hyper-v-out-of-bounds-read-code-execution"},{"cve":"CVE-2026-45641","cvss":8.4,"slug":"cve-2026-45641-microsoft-hyper-v-code-execution-via-type-confusion","title":"Microsoft Hyper-V code execution via type confusion","severity":"high","exploited":false,"published_at":"2026-06-09T17:17:31.1+00:00","url":"https://junglewise.ai/threats/cve-2026-45641-microsoft-hyper-v-code-execution-via-type-confusion"},{"cve":"CVE-2026-45607","cvss":8.4,"slug":"cve-2026-45607-microsoft-hyper-v-out-of-bounds-read-code-execution","title":"Microsoft Hyper-V out-of-bounds read code execution","severity":"high","exploited":false,"published_at":"2026-06-09T17:17:29.563+00:00","url":"https://junglewise.ai/threats/cve-2026-45607-microsoft-hyper-v-out-of-bounds-read-code-execution"},{"cve":"CVE-2026-42972","cvss":5.5,"slug":"cve-2026-42972-microsoft-windows-hyper-v-information-disclosure","title":"Microsoft Windows Hyper-V information disclosure","severity":"medium","exploited":false,"published_at":"2026-06-09T17:17:12.81+00:00","url":"https://junglewise.ai/threats/cve-2026-42972-microsoft-windows-hyper-v-information-disclosure"},{"cve":"CVE-2026-40402","cvss":9.3,"slug":"cve-2026-40402-microsoft-windows-hyper-v-use-after-free-privilege-escalation","title":"Microsoft Windows Hyper-V use after free privilege escalation","severity":"critical","exploited":false,"published_at":"2026-05-12T18:17:18+00:00","url":"https://junglewise.ai/threats/cve-2026-40402-microsoft-windows-hyper-v-use-after-free-privilege-escalation"},{"cve":"CVE-2026-20825","cvss":4.4,"epss":0.0051,"slug":"cve-2026-20825-microsoft-windows-hyper-v-improper-access-control-information","title":"Microsoft Windows Hyper-V improper access control information disclosure","severity":"medium","exploited":false,"published_at":"2026-01-13T18:16:09.99+00:00","url":"https://junglewise.ai/threats/cve-2026-20825-microsoft-windows-hyper-v-improper-access-control-information"}],"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":2},{"week":"2026-07-20","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-27","critical":0,"exploited":0,"vulnerabilities":0},{"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":"Microsoft Windows","slug":"windows-","vulnerabilities":977,"url":"https://junglewise.ai/threats/technologies/windows-"},{"name":"Microsoft Windows 10","slug":"windows-10","vulnerabilities":588,"url":"https://junglewise.ai/threats/technologies/windows-10"},{"name":"Microsoft Windows 11","slug":"windows-11","vulnerabilities":493,"url":"https://junglewise.ai/threats/technologies/windows-11"},{"name":"Microsoft Windows Server 2012","slug":"windows-server-2012","vulnerabilities":293,"url":"https://junglewise.ai/threats/technologies/windows-server-2012"},{"name":"Microsoft Windows Server 2016","slug":"windows-server-2016","vulnerabilities":213,"url":"https://junglewise.ai/threats/technologies/windows-server-2016"},{"name":"Microsoft Windows Server 2019","slug":"windows-server-2019","vulnerabilities":211,"url":"https://junglewise.ai/threats/technologies/windows-server-2019"},{"name":"Microsoft Windows 11 24h2","slug":"windows-11-24h2","vulnerabilities":192,"url":"https://junglewise.ai/threats/technologies/windows-11-24h2"},{"name":"Microsoft Windows Server 2022","slug":"windows-server-2022","vulnerabilities":178,"url":"https://junglewise.ai/threats/technologies/windows-server-2022"},{"name":"Microsoft Edge","slug":"edge-chromium-based","vulnerabilities":168,"url":"https://junglewise.ai/threats/technologies/edge-chromium-based"},{"name":"Microsoft Windows 11 25h2","slug":"windows-11-25h2","vulnerabilities":161,"url":"https://junglewise.ai/threats/technologies/windows-11-25h2"},{"name":"Microsoft Windows 11 Version 26H1","slug":"windows-11-version-26h1","vulnerabilities":135,"url":"https://junglewise.ai/threats/technologies/windows-11-version-26h1"},{"name":"Microsoft Windows Server 2025","slug":"windows-server-2025","vulnerabilities":124,"url":"https://junglewise.ai/threats/technologies/windows-server-2025"}],"technology":{"hub":true,"name":"Microsoft Hyper-V","slug":"hyper-v","vendor":{"name":"Microsoft","slug":"microsoft","url":"https://junglewise.ai/threats/vendors/microsoft"},"aliases":[],"category":"hypervisor","homepage":"https://learn.microsoft.com/windows-server/virtualization/hyper-v/hyper-v-technology-overview","description":"A native hypervisor that creates and runs virtual machines on x86-64 systems.","url":"https://junglewise.ai/threats/technologies/hyper-v"},"most_severe":[{"cve":"CVE-2026-40402","cvss":9.3,"slug":"cve-2026-40402-microsoft-windows-hyper-v-use-after-free-privilege-escalation","title":"Microsoft Windows Hyper-V use after free privilege escalation","severity":"critical","exploited":false,"published_at":"2026-05-12T18:17:18+00:00","url":"https://junglewise.ai/threats/cve-2026-40402-microsoft-windows-hyper-v-use-after-free-privilege-escalation"},{"cve":"CVE-2026-45641","cvss":8.4,"slug":"cve-2026-45641-microsoft-hyper-v-code-execution-via-type-confusion","title":"Microsoft Hyper-V code execution via type confusion","severity":"high","exploited":false,"published_at":"2026-06-09T17:17:31.1+00:00","url":"https://junglewise.ai/threats/cve-2026-45641-microsoft-hyper-v-code-execution-via-type-confusion"},{"cve":"CVE-2026-45607","cvss":8.4,"slug":"cve-2026-45607-microsoft-hyper-v-out-of-bounds-read-code-execution","title":"Microsoft Hyper-V out-of-bounds read code execution","severity":"high","exploited":false,"published_at":"2026-06-09T17:17:29.563+00:00","url":"https://junglewise.ai/threats/cve-2026-45607-microsoft-hyper-v-out-of-bounds-read-code-execution"},{"cve":"CVE-2026-50680","cvss":8.2,"slug":"cve-2026-50680-microsoft-windows-hyper-v-heap-overflow-privilege-escalation","title":"Microsoft Windows Hyper-V heap overflow privilege escalation","severity":"high","exploited":false,"published_at":"2026-07-14T18:18:02.47+00:00","url":"https://junglewise.ai/threats/cve-2026-50680-microsoft-windows-hyper-v-heap-overflow-privilege-escalation"},{"cve":"CVE-2026-47652","cvss":8.2,"slug":"cve-2026-47652-microsoft-hyper-v-out-of-bounds-read-code-execution","title":"Microsoft Hyper-V out-of-bounds read code execution","severity":"high","exploited":false,"published_at":"2026-06-09T17:17:36.623+00:00","url":"https://junglewise.ai/threats/cve-2026-47652-microsoft-hyper-v-out-of-bounds-read-code-execution"},{"cve":"CVE-2026-42972","cvss":5.5,"slug":"cve-2026-42972-microsoft-windows-hyper-v-information-disclosure","title":"Microsoft Windows Hyper-V information disclosure","severity":"medium","exploited":false,"published_at":"2026-06-09T17:17:12.81+00:00","url":"https://junglewise.ai/threats/cve-2026-42972-microsoft-windows-hyper-v-information-disclosure"},{"cve":"CVE-2026-50485","cvss":4.5,"slug":"cve-2026-50485-microsoft-hyper-v-buffer-over-read-denial-of-service","title":"Microsoft Hyper-V buffer over-read denial of service","severity":"medium","exploited":false,"published_at":"2026-07-14T18:17:54.56+00:00","url":"https://junglewise.ai/threats/cve-2026-50485-microsoft-hyper-v-buffer-over-read-denial-of-service"},{"cve":"CVE-2026-20825","cvss":4.4,"epss":0.0051,"slug":"cve-2026-20825-microsoft-windows-hyper-v-improper-access-control-information","title":"Microsoft Windows Hyper-V improper access control information disclosure","severity":"medium","exploited":false,"published_at":"2026-01-13T18:16:09.99+00:00","url":"https://junglewise.ai/threats/cve-2026-20825-microsoft-windows-hyper-v-improper-access-control-information"}],"generated_at":"2026-09-27T03:07:00.185062+00:00"}