How severe is CVE-2010-0806?

CVE-2010-0806 has a CVSS 3.1 base score of 8.8 (HIGH). EPSS estimates a 82.2% probability of exploitation in the next 30 days. It is listed in the CISA Known Exploited Vulnerabilities catalog.

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

CISA Known Exploited Vulnerabilities

Microsoft Internet Explorer Use-After-Free Vulnerability is confirmed as actively exploited and is listed in the CISA KEV catalog.

Added to KEV

2026-05-20

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.

CISA notes
https://learn.microsoft.com/en-us/security-updates/securityadvisories/2010/981374 ; https://nvd.nist.gov/vuln/detail/CVE-2010-0806

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."

Severity

CVSS 3.1 · CISA8.8 HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

SSVC · CISA-ADP

Exploitationactive

Automatableno

Technical impacttotal

Affected Products

Vendor	Product	Affected versions
-	-	n/a

References

13 Links

Vendor advisories

MS10-018

Third-party advisories

Vulnerability databases

Other references

Record Details

Published

2010-03-10

Last updated

2026-05-21

Assigner (CNA)

microsoft

Credited to

CVE record data © The MITRE Corporation, used under the CVE Terms of Use. Exploited-in-the-wild data from the CISA Known Exploited Vulnerabilities catalog (CC0). Exploit prediction scores by FIRST EPSS (first.org/epss). This site is not endorsed or certified by MITRE, NVD, CISA, or FIRST.