# 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 |

---

Data as of 2026-11-09T01:18:40Z 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

Free to use with attribution: show "Data: Patchblox Patch Radar" with a link to https://patchblox.com/security/patch-radar. Terms, including what needs a written agreement: https://patchblox.com/security/patch-radar/use-the-data

Product names, logos and trademarks shown on Patch Radar belong to their respective owners. They are used only to identify the software each security fix applies to and to help readers find their platform. Their use does not imply any affiliation with, or endorsement by, those owners, and Patchblox is not affiliated with any of them.
