# CVE-2017-0016: Windows Denial of Service Vulnerability CVE-2017-0016 is fixed in 13 products on 1 platform, first by KB4013198, released March 14, 2017. It is not reported as exploited, but the vendor rates exploitation more likely. Patch Radar priority: Urgent. - Web page: https://patchblox.com/security/cve/CVE-2017-0016 - Priority: Urgent - CVSS: 5.3 (Important) - EPSS: 0.2708 - CISA KEV: not listed - Exploited (vendor report): no - Publicly disclosed: yes - Vendor exploitability assessment: Exploitation More Likely - Published: Mar 14, 2017 - Vendor advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2017-0016 ## Description

A denial of service vulnerability exists in implementations of the Microsoft Server Message Block 2.0 and 3.0 (SMBv2/SMBv3) client. The vulnerability is due to improper handling of certain requests sent by a malicious SMB server to the client. An attacker who successfully exploited this vulnerability could cause the affected system to stop responding until it is manually restarted.

To exploit the vulnerability, an attacker could use various methods such as redirectors, injected HTML header links, etc., which could cause the SMB client to connect to a malicious SMB server.

The security update addresses the vulnerability by correcting how the Microsoft SMBv2/SMBv3 Client handles specially crafted requests.

## 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 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 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 | --- 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