CVE-2017-0258

MEDIUM

Windows Kernel - Authenticated Information Disclosure via Crafted Document

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2017-0258. PoCs published by Google Security Research.

AI-analyzed exploit summary This PoC exploits an uninitialized memory disclosure vulnerability in Windows kernel-mode structures, allowing local authenticated attackers to read leftover pool data from system process tokens via GetTokenInformation(TokenDefaultDacl).

Description

The Windows kernel in Microsoft Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8.1, Windows Server 2012 Gold and R2, Windows RT 8.1, Windows 10 Gold, 1511, 1607, 1703, and Windows Server 2016 allows authenticated attackers to obtain sensitive information via a specially crafted document, aka "Windows Kernel Information Disclosure Vulnerability," a different vulnerability than CVE-2017-0175, CVE-2017-0220, and CVE-2017-0259.

Exploits (1)

exploitdb WORKING POC VERIFIED
by Google Security Research · c++doswindows
https://www.exploit-db.com/exploits/42006

This PoC exploits an uninitialized memory disclosure vulnerability in Windows kernel-mode structures, allowing local authenticated attackers to read leftover pool data from system process tokens via GetTokenInformation(TokenDefaultDacl).

Classification
Working Poc 100%
Attack Type
Info Leak
Complexity
Moderate
Reliability
Reliable
Target: Microsoft Windows 7 32-bit (with Special Pools enabled for ntoskrnl.exe)
Auth required
Prerequisites: Local access · SeDebugPrivilege · Special Pools enabled for ntoskrnl.exe
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (4)

Core 4
Core References
Exploit, Third Party Advisory exploit x_refsource_exploit-db
https://www.exploit-db.com/exploits/42006/
Third Party Advisory, VDB Entry vdb-entry x_refsource_sectrack
http://www.securitytracker.com/id/1038446
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/98112

Scores

CVSS v3 4.7
EPSS 0.0425
EPSS Percentile 89.1%
Attack Vector LOCAL
CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N

Details

CWE
CWE-200
Status published
Products (13)
microsoft/windows_10
microsoft/windows_10 1511
microsoft/windows_10 1607
microsoft/windows_10 1703
microsoft/windows_7
microsoft/windows_8.1
microsoft/windows_rt_8.1
microsoft/windows_server_2008 (2 CPE variants)
microsoft/windows_server_2008 r2 sp1
microsoft/windows_server_2012
... and 3 more
Published May 12, 2017
Tracked Since Feb 18, 2026