# CVE-2018-1007: Microsoft Office Information Disclosure Vulnerability

CVE-2018-1007 is fixed in 2 products on 1 platform, first by KB4011628, released April 10, 2018. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2018-1007
- Priority: High
- CVSS: n/a (Important)
- EPSS: 0.0649
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Vendor exploitability assessment: Exploitation Less Likely
- Published: Apr 10, 2018
- Vendor advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2018-1007

## Description

<p>An information disclosure vulnerability exists when Microsoft Office improperly discloses the contents of its memory. 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 craft a special document file and then convince the user to open it. An attacker must know the memory address location where the object was created.</p> <p>The update addresses the vulnerability by changing the way certain functions handle objects in memory.</p>

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Microsoft | Microsoft Office 2016 (32-bit edition) |  | [KB4011628](https://patchblox.com/security/data/fix/microsoft/kb4011628.md) | Apr 10, 2018 |
| Microsoft | Microsoft Office 2016 (64-bit edition) |  | [KB4011628](https://patchblox.com/security/data/fix/microsoft/kb4011628.md) | Apr 10, 2018 |

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Data as of 2026-11-07T12:40:37Z 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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo