CVE-2019-0574

HIGH

Windows Data Sharing Service - Privilege Escalation

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2019-0574. PoCs published by Google Security Research.

AI-analyzed exploit summary The writeup describes an Elevation of Privilege (EoP) vulnerability in the Windows Data Sharing Service (DSSVC) due to flawed implementation of the MoveFileInheritSecurity method, which allows arbitrary file writes and ACL manipulation via hardlink attacks. The author provides a detailed technical analysis and references a Proof of Concept (PoC) available as a C# project.

Description

An elevation of privilege vulnerability exists when the Windows Data Sharing Service improperly handles file operations, aka "Windows Data Sharing Service Elevation of Privilege Vulnerability." This affects Windows Server 2016, Windows 10, Windows Server 2019, Windows 10 Servers. This CVE ID is unique from CVE-2019-0571, CVE-2019-0572, CVE-2019-0573.

Exploits (1)

exploitdb WRITEUP VERIFIED
by Google Security Research · textlocalwindows
https://www.exploit-db.com/exploits/46160

The writeup describes an Elevation of Privilege (EoP) vulnerability in the Windows Data Sharing Service (DSSVC) due to flawed implementation of the MoveFileInheritSecurity method, which allows arbitrary file writes and ACL manipulation via hardlink attacks. The author provides a detailed technical analysis and references a Proof of Concept (PoC) available as a C# project.

Classification
Writeup 90%
Attack Type
Lpe
Complexity
Moderate
Reliability
Reliable
Target: Windows 10 1803 and 1809
Auth required
Prerequisites: Ability to create hardlinks · Access to a file writable by SYSTEM
devstral-2 · analyzed Feb 18, 2026 Full analysis →

References (3)

Core 3
Core References
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/106431
Exploit, Third Party Advisory, VDB Entry exploit x_refsource_exploit-db
https://www.exploit-db.com/exploits/46160/

Scores

CVSS v3 7.8
EPSS 0.1945
EPSS Percentile 97.0%
Attack Vector LOCAL
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Details

CWE
CWE-59
Status published
Products (10)
microsoft/windows_10
microsoft/windows_10 1607
microsoft/windows_10 1703
microsoft/windows_10 1709
microsoft/windows_10 1803
microsoft/windows_10 1809
microsoft/windows_server_2016
microsoft/windows_server_2016 1709
microsoft/windows_server_2016 1803
microsoft/windows_server_2019
Published Jan 08, 2019
Tracked Since Feb 18, 2026