CVE DATABASE / CVE-2010-0806
CVE-2010-0806
Microsoft Internet Explorer Use-After-Free Vulnerability
Confirmed exploited in the wild. Added 2026-05-20.
Federal remediation due 2026-06-03.
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.
Summary
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."
CVSS 3.1 breakdown
| Base score | 8.8 (HIGH) |
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
| Attack vector | NETWORK |
| Attack complexity | LOW |
| Privileges required | NONE |
| User interaction | REQUIRED |
| Scope | UNCHANGED |
| Confidentiality | HIGH |
| Integrity | HIGH |
| Availability | HIGH |
Weakness type (CWE)
Affected products
Use our free CVE Lookup tool for the latest NVD record, or browse the full CISA KEV catalog.
References
- http://blogs.technet.com/msrc/archive/2010/03/09/security-advisory-981374-released.aspx
- http://osvdb.org/62810
- http://secunia.com/advisories/38860
- http://www.kb.cert.org/vuls/id/744549
- http://www.microsoft.com/technet/security/advisory/981374.mspx
- http://www.securityfocus.com/bid/38615
- http://www.us-cert.gov/cas/techalerts/TA10-068A.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/2010/0744
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2010/ms10-018
- https://exchange.xforce.ibmcloud.com/vulnerabilities/56772
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A8446
- https://learn.microsoft.com/en-us/security-updates/securitybulletins/2010/ms10-018
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2010-0806
Data: NIST NVD + CISA KEV. NVD last modified 2026-05-21. Always verify against the vendor advisory before acting.