CVE-2018-0826

HIGH

Windows Storage Services - Privilege Escalation

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2018-0826. PoCs published by Google Security Research.

AI-analyzed exploit summary The exploit leverages a TOCTOU (Time-of-Check to Time-of-Use) race condition in the StorSvc SvcMoveFileInheritSecurity RPC method to achieve arbitrary file creation and elevation of privilege. By manipulating file permissions and using an oplock, the attacker can redirect a file move operation to an arbitrary location while running at SYSTEM.

Description

Windows Storage Services in Windows 10 versions 1511, 1607, 1703 and 1709, Windows Server 2016 and Windows Server, version 1709 allows an elevation of privilege vulnerability due to the way objects are handled in memory, aka "Windows Storage Services Elevation of Privilege Vulnerability".

Exploits (1)

exploitdb WORKING POC VERIFIED
by Google Security Research · textlocalwindows
https://www.exploit-db.com/exploits/44152

The exploit leverages a TOCTOU (Time-of-Check to Time-of-Use) race condition in the StorSvc SvcMoveFileInheritSecurity RPC method to achieve arbitrary file creation and elevation of privilege. By manipulating file permissions and using an oplock, the attacker can redirect a file move operation to an arbitrary location while running at SYSTEM.

Classification
Working Poc 95%
Attack Type
Lpe
Complexity
Moderate
Reliability
Racy
Target: Windows 10 1709
Auth required
Prerequisites: Access to a user account on the target system · Ability to compile and execute the C++ PoC
devstral-2 · analyzed Feb 18, 2026 Full analysis →

References (4)

Core 4
Core References
Exploit, Third Party Advisory, VDB Entry exploit x_refsource_exploit-db
https://www.exploit-db.com/exploits/44152/
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/102944
Third Party Advisory, VDB Entry vdb-entry x_refsource_sectrack
http://www.securitytracker.com/id/1040379

Scores

CVSS v3 7.0
EPSS 0.0323
EPSS Percentile 86.6%
Attack Vector LOCAL
CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Details

Status published
Products (6)
microsoft/windows_10 1511
microsoft/windows_10 1607
microsoft/windows_10 1703
microsoft/windows_10 1709
microsoft/windows_server_2016
microsoft/windows_server_2016 1709
Published Feb 15, 2018
Tracked Since Feb 18, 2026