# CVE-2010-0806: Microsoft Internet Explorer Use-After-Free Vulnerability

> CVE-2010-0806: Microsoft Internet Explorer Use-After-Free Vulnerability. CVSS 8.8 (CVSS 3.1), in CISA KEV.

Canonical: https://rewindex.com/cve/CVE-2010-0806
Last updated: 2026-06-16T23:16:52Z

- Published: 2010-03-10 22:00 UTC · Updated: 2026-06-16 23:16 UTC · Assigner: microsoft
- CVSS: 8.8 (CVSS 3.1) · Severity: High · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS: 82.2%, 100th percentile (scored 2026-10-25)
- CISA KEV: yes, added 2026-05-20, federal due date 2026-06-03, ransomware use: Unknown

## Description

Use-after-free vulnerability in the Peer Objects component (aka iepeers.dll) in Microsoft Internet Explorer 6, 6 SP1, and 7 allows remote attackers to execute arbitrary code via vectors involving access to an invalid pointer after the deletion of an object, as exploited in the wild in March 2010, aka "Uninitialized Memory Corruption Vulnerability."

## CISA required action

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

## Affected vendors and products

- Microsoft: Internet Explorer

## References

- [CVE record on cve.org](https://www.cve.org/CVERecord?id=CVE-2010-0806)
- [NVD entry](https://nvd.nist.gov/vuln/detail/CVE-2010-0806)
- [http://blogs.technet.com/msrc/archive/2010/03/09/security-advisory-981374-released.aspx](http://blogs.technet.com/msrc/archive/2010/03/09/security-advisory-981374-released.aspx)
- [http://osvdb.org/62810](http://osvdb.org/62810)
- [https://docs.microsoft.com/en-us/security-updates/securitybulletins/2010/ms10-018](https://docs.microsoft.com/en-us/security-updates/securitybulletins/2010/ms10-018)
- [http://secunia.com/advisories/38860](http://secunia.com/advisories/38860)
- [https://exchange.xforce.ibmcloud.com/vulnerabilities/56772](https://exchange.xforce.ibmcloud.com/vulnerabilities/56772)
- [https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A8446](https://oval.cisecurity.org/repository/search/definition/oval%253Aorg.mitre.oval%253Adef%253A8446)
- [http://www.kb.cert.org/vuls/id/744549](http://www.kb.cert.org/vuls/id/744549)
- [http://www.microsoft.com/technet/security/advisory/981374.mspx](http://www.microsoft.com/technet/security/advisory/981374.mspx)
- [http://www.securityfocus.com/bid/38615](http://www.securityfocus.com/bid/38615)
- [http://www.us-cert.gov/cas/techalerts/TA10-068A.html](http://www.us-cert.gov/cas/techalerts/TA10-068A.html)
- [http://www.us-cert.gov/cas/techalerts/TA10-089A.html](http://www.us-cert.gov/cas/techalerts/TA10-089A.html)
- [http://www.vupen.com/english/advisories/2010/0567](http://www.vupen.com/english/advisories/2010/0567)
- [http://www.vupen.com/english/advisories/2010/0744](http://www.vupen.com/english/advisories/2010/0744)

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_Sources: CVE records from the CVE Program (cve.org). CVE® is a registered trademark of The MITRE Corporation. (https://www.cve.org/) This product uses data from the NVD API but is not endorsed or certified by the NVD. (https://nvd.nist.gov/) Known Exploited Vulnerabilities catalog from CISA. (https://www.cisa.gov/known-exploited-vulnerabilities-catalog) EPSS scores from FIRST (Exploit Prediction Scoring System). (https://www.first.org/epss/)_


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Canonical: https://rewindex.com/cve/CVE-2010-0806 · Markdown: https://rewindex.com/cve/CVE-2010-0806.md · JSON: https://rewindex.com/api/v1/cves/CVE-2010-0806 · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-10-26T02:01:19.793Z