# CVE-2017-0121: Windows Uniscribe Information Disclosure Vulnerability CVE-2017-0121 is fixed in 27 products on 1 platform, first by KB4013198, released March 14, 2017. It is not reported as exploited. Patch Radar priority: Routine. - Web page: https://patchblox.com/security/cve/CVE-2017-0121 - Priority: Routine - CVSS: 4.4 (Important) - EPSS: 0.4358 - CISA KEV: not listed - Exploited (vendor report): no - Publicly disclosed: no - Vendor exploitability assessment: Exploitation Less Likely - Published: Mar 14, 2017 - Vendor advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2017-0121 ## Description

An information disclosure vulnerability exists when Windows Uniscribe improperly discloses the contents of its memory. An attacker who successfully exploited the vulnerability could obtain information to further compromise the user’s system.

There are multiple ways an attacker could exploit the vulnerability, such as by convincing a user to open a specially crafted document or by convincing a user to visit an untrusted webpage.

The update addresses the vulnerability by correcting how Windows Uniscribe handles objects in memory.

## Where it's fixed | Platform | Product | Fixed in | Fix | Released | |---|---|---|---|---| | Microsoft | Windows 10 Version 1511 for 32-bit Systems | 10586.839 | [KB4013198](https://patchblox.com/security/data/fix/microsoft/kb4013198.md) | Mar 14, 2017 | | Microsoft | Windows 10 Version 1511 for x64-based Systems | 10586.839 | [KB4013198](https://patchblox.com/security/data/fix/microsoft/kb4013198.md) | Mar 14, 2017 | | Microsoft | Windows 10 Version 1607 for 32-bit Systems | 14393.953 | [KB4013429](https://patchblox.com/security/data/fix/microsoft/kb4013429.md) | Mar 14, 2017 | | Microsoft | Windows 10 Version 1607 for x64-based Systems | 14393.953 | [KB4013429](https://patchblox.com/security/data/fix/microsoft/kb4013429.md) | Mar 14, 2017 | | Microsoft | Windows 10 for 32-bit Systems | 10240.17319 | [KB4012606](https://patchblox.com/security/data/fix/microsoft/kb4012606.md) | Mar 14, 2017 | | Microsoft | Windows 10 for x64-based Systems | 10240.17319 | [KB4012606](https://patchblox.com/security/data/fix/microsoft/kb4012606.md) | Mar 14, 2017 | | Microsoft | Windows 7 for 32-bit Systems Service Pack 1 | | [KB4012215](https://patchblox.com/security/data/fix/microsoft/kb4012215.md) | Mar 14, 2017 | | Microsoft | Windows 7 for 32-bit Systems Service Pack 1 | | [KB4012212](https://patchblox.com/security/data/fix/microsoft/kb4012212.md) | Mar 14, 2017 | | Microsoft | Windows 7 for x64-based Systems Service Pack 1 | | [KB4012215](https://patchblox.com/security/data/fix/microsoft/kb4012215.md) | Mar 14, 2017 | | Microsoft | Windows 7 for x64-based Systems Service Pack 1 | | [KB4012212](https://patchblox.com/security/data/fix/microsoft/kb4012212.md) | Mar 14, 2017 | | Microsoft | Windows 8.1 for 32-bit systems | | [KB4012213](https://patchblox.com/security/data/fix/microsoft/kb4012213.md) | Mar 14, 2017 | | Microsoft | Windows 8.1 for 32-bit systems | | [KB4012216](https://patchblox.com/security/data/fix/microsoft/kb4012216.md) | Mar 14, 2017 | | Microsoft | Windows 8.1 for x64-based systems | | [KB4012213](https://patchblox.com/security/data/fix/microsoft/kb4012213.md) | Mar 14, 2017 | | Microsoft | Windows 8.1 for x64-based systems | | [KB4012216](https://patchblox.com/security/data/fix/microsoft/kb4012216.md) | Mar 14, 2017 | | Microsoft | Windows RT 8.1 | | [KB4012216](https://patchblox.com/security/data/fix/microsoft/kb4012216.md) | Mar 14, 2017 | | Microsoft | Windows Server 2008 R2 for Itanium-Based Systems Service Pack 1 | | [KB4012215](https://patchblox.com/security/data/fix/microsoft/kb4012215.md) | Mar 14, 2017 | | Microsoft | Windows Server 2008 R2 for Itanium-Based Systems Service Pack 1 | | [KB4012212](https://patchblox.com/security/data/fix/microsoft/kb4012212.md) | Mar 14, 2017 | | Microsoft | Windows Server 2008 R2 for x64-based Systems Service Pack 1 | | [KB4012215](https://patchblox.com/security/data/fix/microsoft/kb4012215.md) | Mar 14, 2017 | | Microsoft | Windows Server 2008 R2 for x64-based Systems Service Pack 1 | | [KB4012212](https://patchblox.com/security/data/fix/microsoft/kb4012212.md) | Mar 14, 2017 | | Microsoft | Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) | | [KB4012215](https://patchblox.com/security/data/fix/microsoft/kb4012215.md) | Mar 14, 2017 | | Microsoft | Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) | | [KB4012212](https://patchblox.com/security/data/fix/microsoft/kb4012212.md) | Mar 14, 2017 | | Microsoft | Windows Server 2008 for 32-bit Systems Service Pack 2 | | [KB4012583](https://patchblox.com/security/data/fix/microsoft/kb4012583.md) | Mar 14, 2017 | | Microsoft | Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation) | | [KB4012583](https://patchblox.com/security/data/fix/microsoft/kb4012583.md) | Mar 14, 2017 | | Microsoft | Windows Server 2008 for Itanium-Based Systems Service Pack 2 | | [KB4012583](https://patchblox.com/security/data/fix/microsoft/kb4012583.md) | Mar 14, 2017 | | Microsoft | Windows Server 2008 for x64-based Systems Service Pack 2 | | [KB4012583](https://patchblox.com/security/data/fix/microsoft/kb4012583.md) | Mar 14, 2017 | | Microsoft | Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation) | | [KB4012583](https://patchblox.com/security/data/fix/microsoft/kb4012583.md) | Mar 14, 2017 | | Microsoft | Windows Server 2012 | | [KB4012217](https://patchblox.com/security/data/fix/microsoft/kb4012217.md) | Mar 14, 2017 | | Microsoft | Windows Server 2012 | | [KB4012214](https://patchblox.com/security/data/fix/microsoft/kb4012214.md) | Mar 14, 2017 | | Microsoft | Windows Server 2012 (Server Core installation) | | [KB4012217](https://patchblox.com/security/data/fix/microsoft/kb4012217.md) | Mar 14, 2017 | | Microsoft | Windows Server 2012 (Server Core installation) | | [KB4012214](https://patchblox.com/security/data/fix/microsoft/kb4012214.md) | Mar 14, 2017 | | Microsoft | Windows Server 2012 R2 | | [KB4012213](https://patchblox.com/security/data/fix/microsoft/kb4012213.md) | Mar 14, 2017 | | Microsoft | Windows Server 2012 R2 | | [KB4012216](https://patchblox.com/security/data/fix/microsoft/kb4012216.md) | Mar 14, 2017 | | Microsoft | Windows Server 2012 R2 (Server Core installation) | | [KB4012213](https://patchblox.com/security/data/fix/microsoft/kb4012213.md) | Mar 14, 2017 | | Microsoft | Windows Server 2012 R2 (Server Core installation) | | [KB4012216](https://patchblox.com/security/data/fix/microsoft/kb4012216.md) | Mar 14, 2017 | | Microsoft | Windows Server 2016 | 14393.953 | [KB4013429](https://patchblox.com/security/data/fix/microsoft/kb4013429.md) | Mar 14, 2017 | | Microsoft | Windows Server 2016 (Server Core installation) | 14393.953 | [KB4013429](https://patchblox.com/security/data/fix/microsoft/kb4013429.md) | Mar 14, 2017 | | Microsoft | Windows Vista Service Pack 2 | | [KB4012583](https://patchblox.com/security/data/fix/microsoft/kb4012583.md) | Mar 14, 2017 | | Microsoft | Windows Vista x64 Edition Service Pack 2 | | [KB4012583](https://patchblox.com/security/data/fix/microsoft/kb4012583.md) | Mar 14, 2017 | --- Data as of 2026-11-07T12:40:37Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo