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

Severity: critical (CVSS 9.3 v2.0)
Exploited in the wild: yes — in CISA KEV since 2026-05-20
EPSS: 82.2% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2010-03-10 · updated 2026-06-16
Weakness: CWE-399

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."

Affected products

Microsoft Internet Explorer 11: 5.01, 6-sp1, 8, 7, 6

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

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