CVE-2018-0749

HIGH

Windows SMB Server - Elevation of Privilege via Specially Crafted Files

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2018-0749. PoCs published by Google Security Research.

AI-analyzed exploit summary The exploit leverages a vulnerability in the SMB server driver (srv.sys and srv2.sys) where NTFS mount points are mishandled, allowing arbitrary device access via SMB client operations. This leads to local elevation of privilege (EoP) by spoofing process and session IDs accessible from a named pipe.

Description

The Microsoft Server Message Block (SMB) Server in Windows 7 SP1, Windows 8.1 and RT 8.1, Windows Server 2008 SP2 and R2 SP1, Windows Server 2012 and R2, Windows 10 Gold, 1511, 1607, 1703 and 1709, Windows Server 2016 and Windows Server, version 1709 allows an elevation of privilege vulnerability due to the way SMB Server handles specially crafted files, aka "Windows Elevation of Privilege Vulnerability".

Exploits (1)

exploitdb WORKING POC VERIFIED
by Google Security Research · textdoswindows
https://www.exploit-db.com/exploits/43517

The exploit leverages a vulnerability in the SMB server driver (srv.sys and srv2.sys) where NTFS mount points are mishandled, allowing arbitrary device access via SMB client operations. This leads to local elevation of privilege (EoP) by spoofing process and session IDs accessible from a named pipe.

Classification
Working Poc 90%
Attack Type
Lpe
Complexity
Moderate
Reliability
Reliable
Target: Windows 10 1703 and 1709 (potentially Windows 7 and 8.1)
Auth required
Prerequisites: Local access to the target machine · Ability to execute arbitrary code as a normal user
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (5)

Core 5
Core References
Third Party Advisory, VDB Entry vdb-entry x_refsource_sectrack
http://www.securitytracker.com/id/1040096
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/102355
Exploit, Third Party Advisory, VDB Entry exploit x_refsource_exploit-db
https://www.exploit-db.com/exploits/43517/
Broken Link, URL Repurposed x_refsource_misc
https://95cnsec.com/windows-smb-cve-2018-0749-exploit.html

Scores

CVSS v3 7.8
EPSS 0.0321
EPSS Percentile 86.5%
Attack Vector LOCAL
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Details

Status published
Products (13)
microsoft/windows_10
microsoft/windows_10 1511
microsoft/windows_10 1607
microsoft/windows_10 1703
microsoft/windows_10 1709
microsoft/windows_7
microsoft/windows_8.1
microsoft/windows_server_2008
microsoft/windows_server_2008 r2 sp1 (2 CPE variants)
microsoft/windows_server_2012
... and 3 more
Published Jan 04, 2018
Tracked Since Feb 18, 2026