CVE-2019-1089
An elevation of privilege vulnerability exists in rpcss.dll when the RPC service Activation Kernel improperly handles an RPC request. To exploit this...
- Published
- Jul 15, 2019
- Updated
- Aug 4, 2024
- Assigning CNA
- microsoft
- Evidence observed
- Jul 18, 2019
Primary CVSS
nvd · CVSS 3.0
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HLow · next 30 days
- Percentile
- 92.6%
- Model date
- Sep 21, 2026
EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.
Summary
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'.
Sources
1- Microsoft Windows 10 1903/1809 - RPCSS Activation Kernel Security Callback Privilege EscalationExploit
Google Security Research · windows · Jul 18, 2019
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