CVE-2017-8488

MEDIUM

Microsoft Windows - Authenticated Information Disclosure via Specially Crafted Application

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2017-8488. PoCs published by Google Security Research.

AI-analyzed exploit summary This exploit demonstrates an information leak vulnerability in the Windows mountmgr.sys driver (CVE-2017-8488) by triggering the IOCTL_MOUNTMGR_QUERY_POINTS IOCTL to disclose uninitialized pool memory. The PoC reads kernel memory due to alignment holes in the output structure, potentially aiding in defeating mitigations like kernel ASLR.

Description

The 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 an authenticated attacker to obtain information via a specially crafted application. aka "Windows Kernel Information Disclosure Vulnerability," a different vulnerability than CVE-2017-8492, CVE-2017-8491, CVE-2017-8490, CVE-2017-8489, CVE-2017-8485, CVE-2017-8483, CVE-2017-8482, CVE-2017-8480, CVE-2017-8479, CVE-2017-8478, CVE-2017-8476, CVE-2017-8474, CVE-2017-8469, CVE-2017-8462, CVE-2017-0300, CVE-2017-0299, and CVE-2017-0297.

Exploits (1)

exploitdb WORKING POC VERIFIED
by Google Security Research · c++doswindows
https://www.exploit-db.com/exploits/42212

This exploit demonstrates an information leak vulnerability in the Windows mountmgr.sys driver (CVE-2017-8488) by triggering the IOCTL_MOUNTMGR_QUERY_POINTS IOCTL to disclose uninitialized pool memory. The PoC reads kernel memory due to alignment holes in the output structure, potentially aiding in defeating mitigations like kernel ASLR.

Classification
Working Poc 95%
Attack Type
Info Leak
Complexity
Moderate
Reliability
Reliable
Target: Microsoft Windows (mountmgr.sys)
Auth required
Prerequisites: Local authenticated access · Special Pools mechanism enabled for ntoskrnl.exe (for clear demonstration)
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (3)

Core 3
Core References
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/98864
Exploit, Third Party Advisory, VDB Entry exploit x_refsource_exploit-db
https://www.exploit-db.com/exploits/42212/

Scores

CVSS v3 5.0
EPSS 0.1477
EPSS Percentile 94.6%
Attack Vector LOCAL
CVSS:3.0/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N

Details

CWE
CWE-200
Status published
Products (8)
microsoft/windows_7
microsoft/windows_8.1
microsoft/windows_rt_8.1
microsoft/windows_server_2008
microsoft/windows_server_2008 r2 sp1 (2 CPE variants)
microsoft/windows_server_2012
microsoft/windows_server_2012 r2
Microsoft Corporation/Microsoft Windows Microsoft Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8.1, Windows Server 2012 Gold a
Published Jun 15, 2017
Tracked Since Feb 18, 2026