{"schema_version":1,"title":"Microsoft Windows Failover Cluster vulnerabilities","summary":"Junglewise Threat Intelligence has tracked 3 vulnerabilities in Microsoft Windows Failover Cluster: 0 in the last 7 days and 3 in the last 90 days, 1 of them critical and 0 exploited in the wild. The most recent, CVE-2026-73010, was published on 8 September 2026.","url":"https://junglewise.ai/threats/technologies/windows-failover-cluster","json_url":"https://junglewise.ai/threats/technologies/windows-failover-cluster.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/windows-failover-cluster","sources":"NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories","kind":"technology","counts":{"high":1,"all_time":3,"critical":1,"exploited":0,"last_7_days":0,"last_30_days":3,"last_90_days":3,"last_365_days":3},"latest":[{"cve":"CVE-2026-73010","cvss":9.8,"epss":0.0097,"slug":"cve-2026-73010-microsoft-windows-failover-cluster-use-after-free-code-execution","title":"Microsoft Windows Failover Cluster use-after-free code execution","severity":"critical","exploited":false,"published_at":"2026-09-08T18:20:29.987+00:00","url":"https://junglewise.ai/threats/cve-2026-73010-microsoft-windows-failover-cluster-use-after-free-code-execution"},{"cve":"CVE-2026-72989","cvss":7.5,"epss":0.0103,"slug":"cve-2026-72989-microsoft-windows-failover-cluster-information-disclosure-via","title":"Microsoft Windows Failover Cluster information disclosure via uninitialized resource","severity":"high","exploited":false,"published_at":"2026-09-08T18:20:26.373+00:00","url":"https://junglewise.ai/threats/cve-2026-72989-microsoft-windows-failover-cluster-information-disclosure-via"},{"cve":"CVE-2026-71338","cvss":6.4,"epss":0.0028,"slug":"cve-2026-71338-microsoft-windows-failover-cluster-double-free-privilege","title":"Microsoft Windows Failover Cluster double free privilege escalation","severity":"medium","exploited":false,"published_at":"2026-09-08T18:20:13.573+00:00","url":"https://junglewise.ai/threats/cve-2026-71338-microsoft-windows-failover-cluster-double-free-privilege"}],"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":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":1,"exploited":0,"vulnerabilities":3},{"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":963,"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":167,"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 Windows Failover Cluster","slug":"windows-failover-cluster","vendor":{"name":"Microsoft","slug":"microsoft","url":"https://junglewise.ai/threats/vendors/microsoft"},"aliases":[],"category":"os","url":"https://junglewise.ai/threats/technologies/windows-failover-cluster"},"most_severe":[{"cve":"CVE-2026-73010","cvss":9.8,"epss":0.0097,"slug":"cve-2026-73010-microsoft-windows-failover-cluster-use-after-free-code-execution","title":"Microsoft Windows Failover Cluster use-after-free code execution","severity":"critical","exploited":false,"published_at":"2026-09-08T18:20:29.987+00:00","url":"https://junglewise.ai/threats/cve-2026-73010-microsoft-windows-failover-cluster-use-after-free-code-execution"},{"cve":"CVE-2026-72989","cvss":7.5,"epss":0.0103,"slug":"cve-2026-72989-microsoft-windows-failover-cluster-information-disclosure-via","title":"Microsoft Windows Failover Cluster information disclosure via uninitialized resource","severity":"high","exploited":false,"published_at":"2026-09-08T18:20:26.373+00:00","url":"https://junglewise.ai/threats/cve-2026-72989-microsoft-windows-failover-cluster-information-disclosure-via"},{"cve":"CVE-2026-71338","cvss":6.4,"epss":0.0028,"slug":"cve-2026-71338-microsoft-windows-failover-cluster-double-free-privilege","title":"Microsoft Windows Failover Cluster double free privilege escalation","severity":"medium","exploited":false,"published_at":"2026-09-08T18:20:13.573+00:00","url":"https://junglewise.ai/threats/cve-2026-71338-microsoft-windows-failover-cluster-double-free-privilege"}],"generated_at":"2026-09-26T09:24:00.138874+00:00"}