CVSS 3.0
7.8 highCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HCVE-2019-1089
High (7.8) in microsoft. EPSS 4.9% chance of exploitation in the next 30 days.
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
- EPSS
- 4.9% chance of exploitation in the next 30 days; higher than 92% of CVEs (scores of 2026-10-31)
- Published
- Modified
- Record from
- the NVD, synced
Affected
- microsoft:windows_10
- microsoft:windows_7
- microsoft:windows_8.1
- microsoft:windows_rt_8.1
- microsoft:windows_server_2008
- microsoft:windows_server_2012
- microsoft:windows_server_2016
- microsoft:windows_server_2019
References
- http://packetstormsecurity.com/files/153683/Microsoft-Windows-RPCSS-Activation-Kernel-Security-Callback-Privilege-Escalation.html
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1089
- http://packetstormsecurity.com/files/153683/Microsoft-Windows-RPCSS-Activation-Kernel-Security-Callback-Privilege-Escalation.html
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1089