CVE-2017-0285

MEDIUM

Microsoft Office - Information Disclosure

Title source: rule
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2017-0285. PoCs published by Google Security Research.

AI-analyzed exploit summary The exploit demonstrates a crash in the Windows Uniscribe library (USP10!SubstituteNtoM) due to a malformed TTF font file, leading to an access violation. This vulnerability (CVE-2017-0285) can potentially disclose sensitive data from the process heap and reproduces on Windows 7.

Description

Uniscribe in 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, Windows Server 2016, Microsoft Office 2007 SP3, Microsoft Office 2010 SP2, and Microsoft Office Word Viewer allows improper disclosure of memory contents, aka "Windows Uniscribe Information Disclosure Vulnerability". This CVE ID is unique from CVE-2017-0282, CVE-2017-0284, and CVE-2017-8534.

Exploits (1)

exploitdb WORKING POC VERIFIED
by Google Security Research · textdoswindows
https://www.exploit-db.com/exploits/42236

The exploit demonstrates a crash in the Windows Uniscribe library (USP10!SubstituteNtoM) due to a malformed TTF font file, leading to an access violation. This vulnerability (CVE-2017-0285) can potentially disclose sensitive data from the process heap and reproduces on Windows 7.

Classification
Working Poc 90%
Attack Type
Dos
Complexity
Moderate
Reliability
Reliable
Target: Windows Uniscribe (USP10.dll) on Windows 7
No auth needed
Prerequisites: Malformed TTF font file · Application that renders fonts
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (3)

Core 3
Core References
Mitigation, Patch, Vendor Advisory x_refsource_confirm
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-0285
Third Party Advisory, VDB Entry exploit x_refsource_exploit-db
https://www.exploit-db.com/exploits/42236/
Broken Link, Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/98914

Scores

CVSS v3 5.0
EPSS 0.0297
EPSS Percentile 85.5%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N

Details

CWE
CWE-200
Status published
Products (16)
microsoft/office 2007 sp3
microsoft/office 2010 sp2
microsoft/office_word_viewer
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
... and 6 more
Published Jun 15, 2017
Tracked Since Feb 18, 2026