CVE-2017-8473

MEDIUM

Microsoft Windows - Authenticated Information Disclosure via Win32k Memory Initialization

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2017-8473. PoCs published by Google Security Research.

AI-analyzed exploit summary This exploit demonstrates an information leak vulnerability in Windows 7-10 via the win32k!NtGdiGetRealizationInfo system call, allowing local attackers to read uninitialized kernel stack memory. The PoC sprays the kernel stack with known values and then triggers the vulnerability to leak 8 bytes of uninitialized memory.

Description

Microsoft Windows 7 SP1, Windows Server 2008 SP2 and R2 SP1, Windows Server 2012 and R2, Windows 10 Gold, 1511, 1607, and Windows Server 2016 allow an authenticated attacker to run a specially crafted application when the Windows kernel improperly initializes objects in memory, aka "Win32k Information Disclosure Vulnerability". This CVE ID is unique from CVE-2017-8470, CVE-2017-8471, CVE-2017-8472, CVE-2017-8475, CVE-2017-8477, and CVE-2017-8484.

Exploits (1)

exploitdb WORKING POC VERIFIED
by Google Security Research · c++doswindows
https://www.exploit-db.com/exploits/42226

This exploit demonstrates an information leak vulnerability in Windows 7-10 via the win32k!NtGdiGetRealizationInfo system call, allowing local attackers to read uninitialized kernel stack memory. The PoC sprays the kernel stack with known values and then triggers the vulnerability to leak 8 bytes of uninitialized memory.

Classification
Working Poc 100%
Attack Type
Info Leak
Complexity
Moderate
Reliability
Reliable
Target: Microsoft Windows 7-10 (32-bit)
Auth required
Prerequisites: Local access to the target system · Ability to execute arbitrary code
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (4)

Core 4
Core References
Third Party Advisory, VDB Entry vdb-entry x_refsource_sectrack
http://www.securitytracker.com/id/1038659
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/98852
Exploit, Third Party Advisory, VDB Entry exploit x_refsource_exploit-db
https://www.exploit-db.com/exploits/42226/

Scores

CVSS v3 5.0
EPSS 0.0773
EPSS Percentile 92.0%
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 (12)
microsoft/windows_10
microsoft/windows_10 1511
microsoft/windows_10 1607
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
... and 2 more
Published Jun 15, 2017
Tracked Since Feb 18, 2026