CVE-2019-1184

MEDIUM

Windows Core Shell COM Server Registrar - Privilege Escalation

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2019-1184. PoCs published by 0vercl0k.

AI-analyzed exploit summary This exploit leverages a COM object (CoreShellComServerRegistrar) to escalate privileges by obtaining a handle to the sihost.exe process with PROCESS_ALL_ACCESS rights. It then injects shellcode to spawn calc.exe, demonstrating a local privilege escalation (LPE) vulnerability.

Description

An elevation of privilege vulnerability exists when Windows Core Shell COM Server Registrar improperly handles COM calls. An attacker who successfully exploited this vulnerability could potentially set certain items to run at a higher level and thereby elevate permissions. To exploit this vulnerability, an attacker would first have to log on to the system. An attacker could then run a specially crafted application that could exploit the vulnerability and take control of an affected system. The update addresses this vulnerability by correcting unprotected COM calls.

Exploits (1)

exploitdb WORKING POC
by 0vercl0k · localwindows
https://www.exploit-db.com/exploits/47880

This exploit leverages a COM object (CoreShellComServerRegistrar) to escalate privileges by obtaining a handle to the sihost.exe process with PROCESS_ALL_ACCESS rights. It then injects shellcode to spawn calc.exe, demonstrating a local privilege escalation (LPE) vulnerability.

Classification
Working Poc 100%
Attack Type
Lpe
Complexity
Moderate
Reliability
Reliable
Target: Windows 10 (specific versions affected by CVE-2019-1184)
Auth required
Prerequisites: Local access to a vulnerable Windows system · Ability to instantiate the vulnerable COM object
devstral-2 · analyzed Feb 18, 2026 Full analysis →

References (1)

Core 1
Core References

Scores

CVSS v3 6.7
EPSS 0.7023
EPSS Percentile 99.3%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

Status published
Products (6)
microsoft/windows_10 1803
microsoft/windows_10 1809
microsoft/windows_10 1903
microsoft/windows_server_2016 1803
microsoft/windows_server_2016 1903
microsoft/windows_server_2019
Published Aug 14, 2019
Tracked Since Feb 18, 2026