# CVE-2016-3272: Windows Kernel Information Disclosure Vulnerability

CVE-2016-3272 is fixed in 11 products on 1 platform, first by KB3172985, released July 12, 2016. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2016-3272
- Priority: Routine
- CVSS: 3.1 (Important)
- EPSS: 0.4328
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: yes
- Vendor exploitability assessment: Exploitation Less Likely
- Published: Jul 18, 2016
- Vendor advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2016-3272

## Description

<p>An information disclosure vulnerability exists in Microsoft Windows when the Windows kernel fails to properly handle certain page fault system calls. An authenticated attacker who successfully exploited this vulnerability could disclose information from one process to another.</p> <p>To exploit the vulnerability, an attacker would have to either log on locally to an affected system or convince a locally authenticated user to execute a specially crafted application.</p> <p>The update addresses this vulnerability by correcting how the Windows kernel handles certain page fault system calls.</p>

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Microsoft | Windows 10 Version 1511 for 32-bit Systems | 10586.494 | [KB3172985](https://patchblox.com/security/data/fix/microsoft/kb3172985.md) | Jul 12, 2016 |
| Microsoft | Windows 10 Version 1511 for x64-based Systems | 10586.494 | [KB3172985](https://patchblox.com/security/data/fix/microsoft/kb3172985.md) | Jul 12, 2016 |
| Microsoft | Windows 10 for 32-bit Systems | 10240.17024 | [KB3163912](https://patchblox.com/security/data/fix/microsoft/kb3163912.md) | Jul 12, 2016 |
| Microsoft | Windows 10 for x64-based Systems | 10240.17024 | [KB3163912](https://patchblox.com/security/data/fix/microsoft/kb3163912.md) | Jul 12, 2016 |
| Microsoft | Windows 8.1 for 32-bit systems |  | [KB3169704](https://patchblox.com/security/data/fix/microsoft/kb3169704.md) | Jul 18, 2016 |
| Microsoft | Windows 8.1 for x64-based systems |  | [KB3169704](https://patchblox.com/security/data/fix/microsoft/kb3169704.md) | Jul 18, 2016 |
| Microsoft | Windows RT 8.1 |  | [KB3169704](https://patchblox.com/security/data/fix/microsoft/kb3169704.md) | Jul 18, 2016 |
| Microsoft | Windows Server 2012 |  | [KB3169704](https://patchblox.com/security/data/fix/microsoft/kb3169704.md) | Jul 18, 2016 |
| Microsoft | Windows Server 2012 (Server Core installation) |  | [KB3169704](https://patchblox.com/security/data/fix/microsoft/kb3169704.md) | Jul 18, 2016 |
| Microsoft | Windows Server 2012 R2 |  | [KB3169704](https://patchblox.com/security/data/fix/microsoft/kb3169704.md) | Jul 18, 2016 |
| Microsoft | Windows Server 2012 R2 (Server Core installation) |  | [KB3169704](https://patchblox.com/security/data/fix/microsoft/kb3169704.md) | Jul 18, 2016 |

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Data as of 2026-11-08T06:59:42Z 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

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