{"id":"CVE-2011-1872","aliases":["EUVD-2011-1870","GHSA-w37q-mj57-9rm2"],"status":"published","title":"Hyper-V in Microsoft Windows Server 2008 Gold, SP2, R2, and R2 SP1 allows guest OS users to cause...","description":"Hyper-V in Microsoft Windows Server 2008 Gold, SP2, R2, and R2 SP1 allows guest OS users to cause a denial of service (host OS infinite loop) via malformed machine instructions in a VMBus packet, aka \"VMBus Persistent DoS Vulnerability.\"","severity":{"version":"2.0","score":4.7,"vector":"AV:L/AC:M/Au:N/C:N/I:N/A:C","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.02644,"percentile":0.85697,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-399"],"published":"2011-06-16T20:21:00Z","modified":"2026-06-16T23:30:16Z","exploits":[{"source":"exploitdb","id":"EDB-17401","title":"Microsoft HyperV - Persistent Denial of Service (MS11-047)","type":"dos","platform":"windows","date":"2011-06-14","verified":true,"url":"https://www.exploit-db.com/exploits/17401"}],"products":[{"vendor":"microsoft","product":"windows_server_2008"}],"references":[{"url":"http://www.securityfocus.com/bid/48179","tags":["vdb-entry","x_refsource_BID","x_transferred"]},{"url":"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12650","tags":["vdb-entry","signature","x_refsource_OVAL","x_transferred"]},{"url":"https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-047","tags":["vendor-advisory","x_refsource_MS","x_transferred"]},{"url":"http://www.securitytracker.com/id?1025644","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2011-1872"},{"url":"https://github.com/advisories/GHSA-w37q-mj57-9rm2"}],"sources":{"cve":[{"id":"CVE-2011-1872","description":"Hyper-V in Microsoft Windows Server 2008 Gold, SP2, R2, and R2 SP1 allows guest OS users to cause a denial of service (host OS infinite loop) via malformed machine instructions in a VMBus packet, aka \"VMBus Persistent DoS Vulnerability.\"","status":"published","published":"2011-06-16T20:21:00Z","modified":"2024-08-06T22:46:00.843Z","updated_at":"2026-11-02T14:35:38.711857Z"}],"euvd":[{"id":"EUVD-2011-1870","description":"Hyper-V in Microsoft Windows Server 2008 Gold, SP2, R2, and R2 SP1 allows guest OS users to cause a denial of service (host OS infinite loop) via malformed machine instructions in a VMBus packet, aka \"VMBus Persistent DoS Vulnerability.\"","status":"published","published":"2011-06-16T20:21:00Z","modified":"2024-08-06T22:46:00Z","updated_at":"2026-11-03T01:55:54.666744Z"}],"ghsa":[{"id":"GHSA-w37q-mj57-9rm2","title":"Hyper-V in Microsoft Windows Server 2008 Gold, SP2, R2, and R2 SP1 allows guest OS users to cause...","description":"Hyper-V in Microsoft Windows Server 2008 Gold, SP2, R2, and R2 SP1 allows guest OS users to cause a denial of service (host OS infinite loop) via malformed machine instructions in a VMBus packet, aka \"VMBus Persistent DoS Vulnerability.\"","status":"published","published":"2022-05-13T01:15:31Z","modified":"2023-02-01T05:04:42Z","updated_at":"2026-11-02T14:50:10.892175Z"}],"nvd":[{"id":"CVE-2011-1872","description":"Hyper-V in Microsoft Windows Server 2008 Gold, SP2, R2, and R2 SP1 allows guest OS users to cause a denial of service (host OS infinite loop) via malformed machine instructions in a VMBus packet, aka \"VMBus Persistent DoS Vulnerability.\"","status":"published","published":"2011-06-16T20:55:02.48Z","modified":"2026-06-16T23:30:16.81Z","cvss":[{"version":"2.0","score":4.7,"vector":"AV:L/AC:M/Au:N/C:N/I:N/A:C","level":"medium","assessor":"primary"}],"cwes":["CWE-399"],"updated_at":"2026-11-02T14:02:08.47516Z"}]}}