# CVE-2016-3215: Windows PDF Information Disclosure Vulnerability

CVE-2016-3215 is fixed in 8 products on 1 platform, first by KB3163018, released June 14, 2016. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2016-3215
- Priority: High
- CVSS: n/a (Important)
- EPSS: 0.3357
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Vendor exploitability assessment: Exploitation Less Likely
- Published: Jun 14, 2016
- Vendor advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2016-3215

## Description

<p>An information disclosure vulnerability exists in Microsoft Windows when a user opens a specially crafted PDF file. An attacker who successfully exploited the vulnerability could read memory in the context of the current user.</p> <p>To exploit the vulnerability, an attacker would have to trick the user into opening the PDF file.</p> <p>The update addresses the vulnerability by modifying how Windows parses PDF files.</p>

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Microsoft | Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1511 for 32-bit Systems | 10586.420 | [KB3163018](https://patchblox.com/security/data/fix/microsoft/kb3163018.md) | Jun 14, 2016 |
| Microsoft | Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1511 for x64-based Systems | 10586.420 | [KB3163018](https://patchblox.com/security/data/fix/microsoft/kb3163018.md) | Jun 14, 2016 |
| Microsoft | Windows 10 Version 1511 for 32-bit Systems | 10586.420 | [KB3163018](https://patchblox.com/security/data/fix/microsoft/kb3163018.md) | Jun 14, 2016 |
| Microsoft | Windows 10 Version 1511 for x64-based Systems | 10586.420 | [KB3163018](https://patchblox.com/security/data/fix/microsoft/kb3163018.md) | Jun 14, 2016 |
| Microsoft | Windows 8.1 for 32-bit systems |  | [KB3157569](https://patchblox.com/security/data/fix/microsoft/kb3157569.md) | Jun 14, 2016 |
| Microsoft | Windows 8.1 for x64-based systems |  | [KB3157569](https://patchblox.com/security/data/fix/microsoft/kb3157569.md) | Jun 14, 2016 |
| Microsoft | Windows Server 2012 |  | [KB3157569](https://patchblox.com/security/data/fix/microsoft/kb3157569.md) | Jun 14, 2016 |
| Microsoft | Windows Server 2012 R2 |  | [KB3157569](https://patchblox.com/security/data/fix/microsoft/kb3157569.md) | Jun 14, 2016 |

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Data as of 2026-11-07T06:34:28Z 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