---
id: "CVE-2014-1761"
kind: "vulnerability"
aliases: ["CVE-2014-1761"]
title: "Microsoft Word: Microsoft Word Memory Corruption Vulnerability"
severity: "critical"
cvss: 9.3
epss: 0.77734
exploited: true
status: "open"
category: "package"
products: [{"name": "Microsoft Word", "fixed": [], "affected": "", "ecosystem": "vendor"}]
ecosystems: ["vendor"]
tags: ["exploited", "microsoft-word", "package", "windows"]
not_affected_if: ["fully-patched", "word-not-installed"]
published_at: "2014-03-25T13:24:01+00:00"
first_seen_at: "2026-10-23T19:11:52+00:00"
updated_at: "2026-10-23T21:57:35+00:00"
sources: [{"source": "kev", "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2014-1761", "first_seen_at": "2026-10-23T19:11:52+00:00"}, {"source": "epss", "url": "https://api.first.org/data/v1/epss?cve=CVE-2014-1761", "first_seen_at": "2026-10-23T19:13:44+00:00"}, {"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2014-1761", "first_seen_at": "2026-10-23T21:57:35+00:00"}]
---

# Microsoft Word: Microsoft Word Memory Corruption Vulnerability

Microsoft Word has a memory corruption bug that can be triggered by a crafted document. An attacker who gets a user to open it can run code on that machine.

_Summary, check and fix written by a model from the sources; labelled as such._

## Affected

- vendor:Microsoft Word affected ? fixed ?

## Fix

Apply the Microsoft updates for Word per vendor instructions, as CISA requires; the sources do not name the patched build.

## Timeline

- 2026-10-23T19:11:52+00:00 kev https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2014-1761
- 2026-10-23T19:13:44+00:00 epss https://api.first.org/data/v1/epss?cve=CVE-2014-1761
- 2026-10-23T21:57:35+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2014-1761

## From the sources

Microsoft Word 2003 SP3, 2007 SP3, 2010 SP1 and SP2, 2013, and 2013 RT; Word Viewer; Office Compatibility Pack SP3; Office for Mac 2011; Word Automation Services on SharePoint Server 2010 SP1 and SP2 and 2013; Office Web Apps 2010 SP1 and SP2; and Office Web Apps Server 2013 allow remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via crafted RTF data, as exploited in the wild in March 2014.

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_Free to read at a human pace. An API with keys and an MCP server are in preparation; early access: hello@infrastack.ai_