How severe is CVE-2010-0806?

CVE-2010-0806 has a CVSS score of 8.8/10, rated HIGH. Immediate patching is strongly recommended.

Which packages are affected by CVE-2010-0806?

Affected package information for CVE-2010-0806 is not yet fully mapped. Check the official advisory links for details.

How do I fix CVE-2010-0806?

No fixed version has been published for CVE-2010-0806 yet. Monitor the advisory for updates, apply mitigations recommended by the vendor, and use O3 Security to track when a fix becomes available in your stack.

Is CVE-2010-0806 actively exploited in the wild?

Yes. There are 4 known exploit references for CVE-2010-0806, including 2 documented proof-of-concept exploits on Exploit-DB and 2 in-the-wild exploitations observed on GitHub and other sources. Treat this as actively exploitable and prioritize patching immediately. All exploit code should only be run in an isolated sandbox environment for research or authorized testing — never against production systems without explicit written authorization.

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

CVE-2010-0806 has an EPSS (Exploit Prediction Scoring System) score of 87.3%, placing it in the 99th percentile of all CVEs. EPSS is maintained by FIRST.org and estimates the probability that a vulnerability will be exploited in the wild within the next 30 days. A score above 50% indicates significantly elevated exploitation risk — immediate patching is strongly recommended.

Is CVE-2010-0806 in the CISA Known Exploited Vulnerabilities catalog?

Yes. CVE-2010-0806 (Microsoft Internet Explorer Use-After-Free Vulnerability) was added to CISA's Known Exploited Vulnerabilities (KEV) catalog on 2026-05-20. CISA required all US federal civilian agencies to remediate this vulnerability by 2026-06-03. The required action was: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable. Being listed in the KEV catalog is the strongest possible confirmation of active exploitation — treat this as a critical priority.

What type of vulnerability is CVE-2010-0806?

CVE-2010-0806 is classified as CWE-399 (CWE-399), Use After Free (CWE-416). These weakness types describe the underlying flaw category, which helps determine the potential impact and the right class of mitigation.

Which products and versions are affected by CVE-2010-0806?

CVE-2010-0806 affects microsoft internet explorer (4 versions, e.g. 5.01, 6, 7…). Check the affected-products list on this page against your deployed version to confirm exposure.

When was CVE-2010-0806 published, and has it been updated?

CVE-2010-0806 was published on March 10, 2010 and was last updated on May 21, 2026. Advisory data evolves as severity scores, affected ranges, and exploit intelligence are revised — always check the latest version of the advisory before acting.

CISA KEV·Added 2026-05-20 — agencies required to remediate by 2026-06-03

CVE-2010-0806

HIGH

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…

Published

Mar 10, 2010

Updated

May 21, 2026

Affected

0 pkgs

Patched

None yet

Exploits

4 known

EPSS Exploitation Probability

via FIRST.org ↗

87.3%probability of exploitation in next 30 days

Very High Risk99th percentile0.00%

EPSS (Exploit Prediction Scoring System) is a daily probability model maintained by FIRST.org. It estimates the likelihood a CVE will be exploited in production environments within the next 30 days, derived from real-world threat intelligence signals.

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

1 product · 5 configurations

Application

internet explorermicrosoft

4 versions

5.01678

Exploits & PoCs

Research use only. For defensive security, authorized penetration testing, and academic research only. Never execute exploit code against systems without explicit written authorization.

EDB-11683remotewindows✓ Verified

Microsoft Internet Explorer - 'iepeers.dll' Use-After-Free (Metasploit)

by Trancer · Mar 10, 2010

Exploit-DB Source

EDB-16590remotewindows✓ Verified

Microsoft Internet Explorer - DHTML Behaviour Use-After-Free (MS10-018) (Metasploit)

by Metasploit · Dec 14, 2010

Exploit-DB Source

Frequently Asked Questions

O3 Security · Impact-Aware SCA

Is CVE-2010-0806 in your stack?

O3 detects CVE-2010-0806 across dependencies and uses function-level reachability to confirm whether the vulnerable code path is actually reachable — not just present. No false positives.

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