---
title: "CVE-2012-2539: Out-of-bounds Write | CubePath"
description: "Microsoft Word 2003 SP3, 2007 SP2 and SP3, and 2010 SP1; Word Viewer; Office Compatibility Pack SP2 and SP3; and Office Web Apps 2010 SP1 allow remote…"
language: en
source: https://cubepath.com/security/cve/CVE-2012-2539
---

# CVE-2012-2539: Out-of-bounds Write | CubePath

## Description

Microsoft Word 2003 SP3, 2007 SP2 and SP3, and 2010 SP1; Word Viewer; Office Compatibility Pack SP2 and SP3; and Office Web Apps 2010 SP1 allow remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via crafted RTF data, aka "Word RTF 'listoverridecount' Remote Code Execution Vulnerability."

Official description from the CVE record, published by microsoft. Copyright © 1999-2026 The MITRE Corporation. See [/security/cve/legal](https://cubepath.com/security/cve/legal) for the CVE license. [View the record on cve.org](https://www.cve.org/CVERecord?id=CVE-2012-2539)

## Key data

### CVSS 3.1 High 7.8

Score published by CISA-ADP in the CVE record.

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

| Metric                 | Value     | What it means                                                                             |
| ---------------------- | --------- | ----------------------------------------------------------------------------------------- |
| Attack vector          | Local     | The attacker needs local access to the system, or to trick a user into running something. |
| Attack complexity      | Low       | No special conditions are needed. The attack can be repeated at will.                     |
| Privileges required    | None      | No account or privileges are needed.                                                      |
| User interaction       | Required  | A user has to do something first, such as opening a file or following a link.             |
| Scope                  | Unchanged | The impact stays within the vulnerable component.                                         |
| Confidentiality impact | High      | Serious or total effect on the secrecy of data.                                           |
| Integrity impact       | High      | Serious or total effect on the trustworthiness of data.                                   |
| Availability impact    | High      | Serious or total effect on availability.                                                  |

CVSS is owned and managed by FIRST.Org, Inc. (FIRST) and is used by permission. Each CVSS score on this site is shown together with its vector string, as published in the CVE record by the source named next to it. Learn more at [first.org/cvss](https://www.first.org/cvss/) .

### EPSS

Exploit Prediction Scoring System by FIRST: an estimate of the probability that exploitation activity will be observed in the next 30 days.

Score

0.53033 (53.0% probability)

Percentile

99.0%

Scores of

Nov 10, 2026

Model

v2026.06.15

### CISA Known Exploited Vulnerabilities

This CVE is listed in the CISA KEV catalog.

Name in the catalog

Microsoft Word Remote Code Execution Vulnerability

Added to the catalog

Mar 28, 2022

Federal due date

Apr 18, 2022

### CISA assessment as of Feb 10, 2025

Stakeholder-Specific Vulnerability Categorization (SSVC) decision points added by CISA.

Exploitation

Recorded by CISA as active

Automatable

no

Technical impact

total

### Weakness (CWE)

CWE catalog version 5.0.

CWE names: Copyright © 2006-2026, The MITRE Corporation. See [/security/cve/legal](https://cubepath.com/security/cve/legal) for the CWE license.

- [CWE-787](https://cwe.mitre.org/data/definitions/787.html) Out-of-bounds Write

## References

Links listed in the CVE record. They lead to other sites, which CubePath does not control.

- [TA12-346A](http://www.us-cert.gov/cas/techalerts/TA12-346A.html)  (us-cert.gov) third-party-advisory
- [MS12-079](https://docs.microsoft.com/en-us/security-updates/securitybulletins/2012/ms12-079)  (docs.microsoft.com) vendor-advisory
- [oval:org.mitre.oval:def:16073](https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A16073)  (oval.cisecurity.org) vdb-entry signature

## Timeline

1. ID reserved May 9, 2012
2. Record published Dec 12, 2012
3. Added to CISA KEV Mar 28, 2022
4. Record last updated Oct 22, 2025

## Look up another CVE

## About CubePath

CubePath is a cloud provider with data centers in Europe and the United States. It offers VPS, bare metal servers and DDoS protection.

[Cloud VPS](https://cubepath.com/vps) [DDoS protection](https://cubepath.com/ddos-protection)

Data from the CVE Program (MITRE), CISA KEV and FIRST EPSS. CVSS is owned by FIRST and used by permission. Not affiliated with or endorsed by MITRE, CISA or FIRST. Data as of Nov 10, 2026, 19:30 UTC. [Sources and licenses](https://cubepath.com/security/cve/legal)