# CVE-2016-3315: Microsoft OneNote Information Disclosure Vulnerability

CVE-2016-3315 is fixed in 9 products on 1 platform, first by KB3114456, released August 9, 2016. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2016-3315
- Priority: High
- CVSS: n/a (Important)
- EPSS: 0.3015
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Vendor exploitability assessment: Exploitation Unlikely
- Published: Aug 9, 2016
- Vendor advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2016-3315

## Description

<p>An information disclosure vulnerability exists when Microsoft OneNote improperly discloses its memory contents. An attacker who exploited the vulnerability could use the information to compromise the user’s computer or data.</p> <p>To exploit the vulnerability, an attacker could create a specially crafted OneNote file and convince a victim to open it. For an attack to be successful, the attacker must know the specific location of OneNote objects in memory.</p> <p>The update addresses the vulnerability by changing the way certain OneNote functions handle objects in memory.</p>

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Microsoft | Microsoft OneNote 2007 Service Pack 3 |  | [KB3114456](https://patchblox.com/security/data/fix/microsoft/kb3114456.md) | Aug 9, 2016 |
| Microsoft | Microsoft OneNote 2010 Service Pack 2 (32-bit editions) |  | [KB3114885](https://patchblox.com/security/data/fix/microsoft/kb3114885.md) | Aug 9, 2016 |
| Microsoft | Microsoft OneNote 2010 Service Pack 2 (64-bit editions) |  | [KB3114885](https://patchblox.com/security/data/fix/microsoft/kb3114885.md) | Aug 9, 2016 |
| Microsoft | Microsoft OneNote 2013 RT Service Pack 1 |  | [KB3115256](https://patchblox.com/security/data/fix/microsoft/kb3115256.md) | Aug 9, 2016 |
| Microsoft | Microsoft OneNote 2013 Service Pack 1 (32-bit editions) |  | [KB3115256](https://patchblox.com/security/data/fix/microsoft/kb3115256.md) | Aug 9, 2016 |
| Microsoft | Microsoft OneNote 2013 Service Pack 1 (64-bit editions) |  | [KB3115256](https://patchblox.com/security/data/fix/microsoft/kb3115256.md) | Aug 9, 2016 |
| Microsoft | Microsoft OneNote 2016 (32-bit edition) |  | [KB3115419](https://patchblox.com/security/data/fix/microsoft/kb3115419.md) | Aug 9, 2016 |
| Microsoft | Microsoft OneNote 2016 (64-bit edition) |  | [KB3115419](https://patchblox.com/security/data/fix/microsoft/kb3115419.md) | Aug 9, 2016 |
| Microsoft | Microsoft OneNote for Mac 2016 |  | [KB3179163](https://patchblox.com/security/data/fix/microsoft/kb3179163.md) | Aug 9, 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