Is CVE-2010-0806 being actively exploited?

Yes. CVE-2010-0806 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, added on May 20, 2026.

What is the CVSS score for CVE-2010-0806?

CVE-2010-0806 has a CVSS 3.1 base score of 8.8 (HIGH).

CVE-2010-0806

HIGH · CVSS 8.8CISA KEV: actively exploitedEPSS 82.1%EU EUVD: exploited

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."

Key facts

CVSS score: 8.8 (v3.1)
Severity: HIGH
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness (CWE): CWE-399
EPSS score: 82.1% (100th percentile)
In CISA KEV: Yes, added May 20, 2026
In EU EUVD: Yes (EUVD-2010-0832)
Published: March 10, 2010
NVD last modified: June 16, 2026
Status: Analyzed

CISA Known Exploited Vulnerability

Microsoft Internet Explorer Use-After-Free Vulnerability

Added to the KEV catalog on May 20, 2026; federal remediation due June 3, 2026.

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2010-0832 in the EU Vulnerability Database. ENISA flags it as known exploited. Last updated in EUVD on May 21, 2026.

View on the EU Vulnerability Database

Affected products

microsoft / internet explorer
microsoft / internet explorer
microsoft / internet explorer
microsoft / internet explorer
microsoft / internet explorer
microsoft / windows 2000
microsoft / windows 7
microsoft / windows 7
microsoft / windows server 2003
microsoft / windows server 2003
microsoft / windows server 2003
microsoft / windows server 2008
microsoft / windows server 2008
microsoft / windows server 2008
microsoft / windows server 2008
microsoft / windows server 2008
microsoft / windows vista
microsoft / windows vista
microsoft / windows xp
microsoft / windows xp
microsoft / windows xp
microsoft / windows xp
microsoft / windows xp

References

http://blogs.technet.com/msrc/archive/2010/03/09/security-advisory-981374-released.aspx(Broken Link)
http://osvdb.org/62810(Broken Link)
http://secunia.com/advisories/38860(Vendor Advisory)
http://www.kb.cert.org/vuls/id/744549(Patch, US Government Resource)
http://www.microsoft.com/technet/security/advisory/981374.mspx(Broken Link, Patch, Vendor Advisory)
http://www.securityfocus.com/bid/38615(Broken Link)
http://www.us-cert.gov/cas/techalerts/TA10-068A.html(US Government Resource)
http://www.us-cert.gov/cas/techalerts/TA10-089A.html(US Government Resource)
http://www.vupen.com/english/advisories/2010/0567(Vendor Advisory)
http://www.vupen.com/english/advisories/2010/0744(Vendor Advisory)
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2010/ms10-018(Vendor Advisory)
https://exchange.xforce.ibmcloud.com/vulnerabilities/56772(Third Party Advisory, VDB Entry)
https://learn.microsoft.com/en-us/security-updates/securitybulletins/2010/ms10-018(Vendor Advisory)
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A8446(Broken Link)
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2010-0806(US Government Resource)

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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