CVE-2017-0072

HIGH

Uniscribe in Microsoft Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, and Windows 7 SP1 - Remote Code Execution

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2017-0072. PoCs published by Google Security Research.

AI-analyzed exploit summary The exploit demonstrates a buffer overflow in Windows Uniscribe (USP10!FillAlternatesList) due to improper handling of the cMaxAlternates parameter in ScriptGetFontAlternateGlyphs, leading to memory corruption. A malformed font file triggers the vulnerability, causing an access violation when writing beyond the allocated buffer.

Description

Uniscribe in Microsoft Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, and Windows 7 SP1 allows remote attackers to execute arbitrary code via a crafted web site, aka "Uniscribe Remote Code Execution Vulnerability." This vulnerability is different from those described in CVE-2017-0083, CVE-2017-0084, CVE-2017-0086, CVE-2017-0087, CVE-2017-0088, CVE-2017-0089, and CVE-2017-0090.

Exploits (1)

exploitdb WORKING POC VERIFIED
by Google Security Research · textdoswindows
https://www.exploit-db.com/exploits/41654

The exploit demonstrates a buffer overflow in Windows Uniscribe (USP10!FillAlternatesList) due to improper handling of the cMaxAlternates parameter in ScriptGetFontAlternateGlyphs, leading to memory corruption. A malformed font file triggers the vulnerability, causing an access violation when writing beyond the allocated buffer.

Classification
Working Poc 90%
Attack Type
Dos
Complexity
Moderate
Reliability
Reliable
Target: Microsoft Windows Uniscribe (USP10.dll) on Windows 7
No auth needed
Prerequisites: Custom program to call ScriptGetFontAlternateGlyphs · Malformed font file
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/41654/
Mitigation, Patch, Vendor Advisory x_refsource_confirm
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-0072
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/96599
Third Party Advisory, VDB Entry vdb-entry x_refsource_sectrack
http://www.securitytracker.com/id/1037992

Scores

CVSS v3 8.8
EPSS 0.4255
EPSS Percentile 98.5%
Attack Vector NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Details

CWE
CWE-119
Status published
Products (5)
microsoft/windows_7
microsoft/windows_server_2008
microsoft/windows_server_2008 r2 sp1
microsoft/windows_vista
Microsoft Corporation/Windows Uniscribe Uniscribe in Microsoft Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, and Windows 7 SP1
Published Mar 17, 2017
Tracked Since Feb 18, 2026