CVE-2017-8680

MEDIUM

Windows Kernel - Information Disclosure via Improper Memory Object Handling

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2017-8680. PoCs published by Google Security Research.

AI-analyzed exploit summary This exploit leverages an uninitialized memory disclosure vulnerability in the win32k!NtGdiGetGlyphOutline system call on Windows 7 and 8. It allocates a buffer larger than the glyph outline data, causing uninitialized kernel memory to be leaked to user-mode.

Description

The Windows kernel component on Microsoft Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8.1, Windows Server 2012 Gold and R2, and Windows RT 8.1 allows an information disclosure vulnerability when it improperly handles objects in memory, aka "Win32k Information Disclosure Vulnerability". This CVE ID is unique from CVE-2017-8678, CVE-2017-8677, CVE-2017-8681, and CVE-2017-8687.

Exploits (1)

exploitdb WORKING POC VERIFIED
by Google Security Research · c++doswindows
https://www.exploit-db.com/exploits/42741

This exploit leverages an uninitialized memory disclosure vulnerability in the win32k!NtGdiGetGlyphOutline system call on Windows 7 and 8. It allocates a buffer larger than the glyph outline data, causing uninitialized kernel memory to be leaked to user-mode.

Classification
Working Poc 100%
Attack Type
Info Leak
Complexity
Moderate
Reliability
Reliable
Target: Microsoft Windows 7 and 8 (win32k.sys)
Auth required
Prerequisites: Local access to a vulnerable Windows 7 or 8 system
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (4)

Core 4
Core References
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/100722
Third Party Advisory, VDB Entry vdb-entry x_refsource_sectrack
http://www.securitytracker.com/id/1039338
Exploit, Third Party Advisory, VDB Entry exploit x_refsource_exploit-db
https://www.exploit-db.com/exploits/42741/

Scores

CVSS v3 5.5
EPSS 0.0423
EPSS Percentile 89.7%
Attack Vector LOCAL
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/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/Windows kernel Microsoft Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8.1, Windows Server 2012 Gold a
Published Sep 13, 2017
Tracked Since Feb 18, 2026