CVE-2019-1174

HIGH

PsmServiceExtHost.dll - Privilege Escalation

Title source: llm
STIX 2.1

Description

An elevation of privilege vulnerability exists in the way that the PsmServiceExtHost.dll handles objects in memory. An attacker who successfully exploited the vulnerability could execute code with elevated permissions. To exploit the vulnerability, a locally authenticated attacker could run a specially crafted application. The security update addresses the vulnerability by ensuring the PsmServiceExtHost.dll properly handles objects in memory.

References (1)

Core 1
Core References

Scores

CVSS v3 7.0
EPSS 0.0071
EPSS Percentile 49.9%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact total

Details

CWE
CWE-1257
Status published
Products (4)
microsoft/windows_10 1809
microsoft/windows_10 1903
microsoft/windows_server_2016 1903
microsoft/windows_server_2019
Published Aug 14, 2019
Tracked Since Feb 18, 2026