# CVE-2018-0919: Microsoft Office Information Disclosure Vulnerability

CVE-2018-0919 is fixed in 15 products on 1 platform, first by KB4011673, released March 13, 2018. 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-2018-0919
- Priority: Urgent
- CVSS: n/a (Important)
- EPSS: 0.1166
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Vendor exploitability assessment: Exploitation More Likely
- Published: Mar 13, 2018
- Vendor advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2018-0919

## Description

<p>An information disclosure vulnerability exists when Microsoft Office software reads out of bound memory due to an uninitialized variable, which could disclose the contents of memory. An attacker who successfully exploited the vulnerability could view out of bound memory.</p> <p>Exploitation of the vulnerability requires that a user open a specially crafted file with an affected version of Microsoft Office software.</p> <p>The security update addresses the vulnerability by properly initializing the affected variable.</p>

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Microsoft | Microsoft Office 2010 Service Pack 2 (32-bit editions) |  | [KB4011673](https://patchblox.com/security/data/fix/microsoft/kb4011673.md) | Mar 13, 2018 |
| Microsoft | Microsoft Office 2010 Service Pack 2 (64-bit editions) |  | [KB4011673](https://patchblox.com/security/data/fix/microsoft/kb4011673.md) | Mar 13, 2018 |
| Microsoft | Microsoft Office Online Server 2016 |  | [KB4011023](https://patchblox.com/security/data/fix/microsoft/kb4011023.md) | Mar 13, 2018 |
| Microsoft | Microsoft Office Web Apps 2010 Service Pack 2 |  | [KB4011709](https://patchblox.com/security/data/fix/microsoft/kb4011709.md) | Mar 13, 2018 |
| Microsoft | Microsoft Office Web Apps Server 2013 Service Pack 1 |  | [KB4011692](https://patchblox.com/security/data/fix/microsoft/kb4011692.md) | Mar 13, 2018 |
| Microsoft | Microsoft SharePoint Enterprise Server 2013 Service Pack 1 |  | [KB4011688](https://patchblox.com/security/data/fix/microsoft/kb4011688.md) | Mar 13, 2018 |
| Microsoft | Microsoft SharePoint Enterprise Server 2016 |  | [KB4018293](https://patchblox.com/security/data/fix/microsoft/kb4018293.md) | Mar 13, 2018 |
| Microsoft | Microsoft SharePoint Server 2010 Service Pack 2 |  | [KB4011705](https://patchblox.com/security/data/fix/microsoft/kb4011705.md) | Mar 13, 2018 |
| Microsoft | Microsoft Word 2010 Service Pack 2 (32-bit editions) |  | [KB4011674](https://patchblox.com/security/data/fix/microsoft/kb4011674.md) | Mar 13, 2018 |
| Microsoft | Microsoft Word 2010 Service Pack 2 (64-bit editions) |  | [KB4011674](https://patchblox.com/security/data/fix/microsoft/kb4011674.md) | Mar 13, 2018 |
| Microsoft | Microsoft Word 2013 RT Service Pack 1 |  | [KB4011695](https://patchblox.com/security/data/fix/microsoft/kb4011695.md) | Mar 13, 2018 |
| Microsoft | Microsoft Word 2013 Service Pack 1 (32-bit editions) |  | [KB4011695](https://patchblox.com/security/data/fix/microsoft/kb4011695.md) | Mar 13, 2018 |
| Microsoft | Microsoft Word 2013 Service Pack 1 (64-bit editions) |  | [KB4011695](https://patchblox.com/security/data/fix/microsoft/kb4011695.md) | Mar 13, 2018 |
| Microsoft | Microsoft Word 2016 (32-bit edition) |  | [KB4011730](https://patchblox.com/security/data/fix/microsoft/kb4011730.md) | Mar 13, 2018 |
| Microsoft | Microsoft Word 2016 (64-bit edition) |  | [KB4011730](https://patchblox.com/security/data/fix/microsoft/kb4011730.md) | Mar 13, 2018 |

---

Data as of 2026-11-07T18:46:35Z 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.