{"id":"CVE-2019-1089","aliases":["EUVD-2019-9670","GHSA-vvxh-m5f8-9r2g"],"status":"published","title":"An elevation of privilege vulnerability exists in rpcss.dll when the RPC service Activation...","description":"An elevation of privilege vulnerability exists in rpcss.dll when the RPC service Activation Kernel improperly handles an RPC request. To exploit this vulnerability, a low level authenticated attacker could run a specially crafted application. The security update addresses this vulnerability by correcting how rpcss.dll handles these requests., aka 'Windows RPCSS Elevation of Privilege Vulnerability'.","severity":{"version":"3.0","score":7.8,"vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.0491,"percentile":0.92169,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"published":"2019-07-15T18:56:21Z","modified":"2026-06-17T02:27:48Z","exploits":[{"source":"exploitdb","id":"EDB-47135","title":"Microsoft Windows 10 1903/1809 - RPCSS Activation Kernel Security Callback Privilege Escalation","type":"local","platform":"windows","date":"2019-07-18","verified":true,"url":"https://www.exploit-db.com/exploits/47135"}],"products":[{"vendor":"intel","product":"multiple"},{"vendor":"microsoft","product":"multiple"},{"vendor":"microsoft","product":"windows_10"},{"vendor":"microsoft","product":"windows_7"},{"vendor":"microsoft","product":"windows_8.1"},{"vendor":"microsoft","product":"windows_rt_8.1"},{"vendor":"microsoft","product":"windows_server_2008"},{"vendor":"microsoft","product":"windows_server_2012"},{"vendor":"microsoft","product":"windows_server_2016"},{"vendor":"microsoft","product":"windows_server_2019"}],"references":[{"url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1089","tags":["x_refsource_MISC","x_transferred","Patch","Vendor Advisory"]},{"url":"http://packetstormsecurity.com/files/153683/Microsoft-Windows-RPCSS-Activation-Kernel-Security-Callback-Privilege-Escalation.html","tags":["x_refsource_MISC","x_transferred","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-1089"},{"url":"https://github.com/advisories/GHSA-vvxh-m5f8-9r2g"}],"sources":{"cve":[{"id":"CVE-2019-1089","description":"An elevation of privilege vulnerability exists in rpcss.dll when the RPC service Activation Kernel improperly handles an RPC request. To exploit this vulnerability, a low level authenticated attacker could run a specially crafted application. The security update addresses this vulnerability by correcting how rpcss.dll handles these requests., aka 'Windows RPCSS Elevation of Privilege Vulnerability'.","status":"published","published":"2019-07-15T18:56:21Z","modified":"2024-08-04T18:06:31.821Z","updated_at":"2026-11-02T14:20:26.034547Z"}],"euvd":[{"id":"EUVD-2019-9670","description":"An elevation of privilege vulnerability exists in rpcss.dll when the RPC service Activation Kernel improperly handles an RPC request. To exploit this vulnerability, a low level authenticated attacker could run a specially crafted application. The security update addresses this vulnerability by correcting how rpcss.dll handles these requests., aka 'Windows RPCSS Elevation of Privilege Vulnerability'.","status":"published","published":"2019-07-15T18:56:21Z","modified":"2024-08-04T18:06:31Z","updated_at":"2026-11-03T03:06:59.435978Z"}],"ghsa":[{"id":"GHSA-vvxh-m5f8-9r2g","title":"An elevation of privilege vulnerability exists in rpcss.dll when the RPC service Activation...","description":"An elevation of privilege vulnerability exists in rpcss.dll when the RPC service Activation Kernel improperly handles an RPC request. To exploit this vulnerability, a low level authenticated attacker could run a specially crafted application. The security update addresses this vulnerability by correcting how rpcss.dll handles these requests., aka 'Windows RPCSS Elevation of Privilege Vulnerability'.","status":"published","published":"2022-05-24T16:50:20Z","modified":"2023-01-28T05:05:50Z","updated_at":"2026-11-02T14:44:22.854564Z"}],"nvd":[{"id":"CVE-2019-1089","description":"An elevation of privilege vulnerability exists in rpcss.dll when the RPC service Activation Kernel improperly handles an RPC request. To exploit this vulnerability, a low level authenticated attacker could run a specially crafted application. The security update addresses this vulnerability by correcting how rpcss.dll handles these requests., aka 'Windows RPCSS Elevation of Privilege Vulnerability'.","status":"published","published":"2019-07-15T19:15:18.343Z","modified":"2026-06-17T02:27:48.263Z","cvss":[{"version":"3.0","score":7.8,"vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":7.2,"vector":"AV:L/AC:L/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary"}],"updated_at":"2026-11-02T14:05:19.195714Z"}]}}