CVE-2010-0806
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."
do firstApply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Can a WAF block it? No. This is a use-after-free memory bug. Generic WAF rules do not recognise the input that triggers it; only a rule written for this specific CVE can, and only if the triggering request has a recognisable shape.
Also consider: patch
Based on the weakness type only; no CVE-specific evidence yet. We check Cloudflare, AWS, Google Cloud Armor and Azure; for Akamai, Imperva, Fastly, F5, ask your vendor.
Is CVE-2010-0806 being exploited?
Yes. CVE-2010-0806 appears in CISA's Known Exploited Vulnerabilities catalog, which means exploitation in the wild has been confirmed and reported. Treat it as active rather than theoretical, and patch it ahead of higher-scoring vulnerabilities that carry no exploitation evidence.
How severe is CVE-2010-0806?
CVE-2010-0806 is rated High with a CVSS score of 8.8. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2010-0806?
Yes. A fix has been recorded for CVE-2010-0806. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2010-0806 affect?
CVE-2010-0806 affects microsoft:internet_explorer. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
public exploits
Public exploit code: 2 on Exploit-DB · 1 Metasploit module
- Microsoft Internet Explorer - DHTML Behaviour Use-After-Free (MS10-018) (Metasploit) · remote · 14 Dec 2010 · verified
- Microsoft Internet Explorer - 'iepeers.dll' Use-After-Free (Metasploit) · remote · 10 Mar 2010 · verified
- exploit/windows/browser/ms10_018_ie_behaviors · exploit · good
Listed so you can judge urgency, not as a recommendation to run anything. GitHub “proofs of concept” are unvetted: some are fake or carry malware. Exploit-DB marks the entries its staff verified.
cisa ssvc
- exploitation
- active
- automatable
- no
- technical impact
- total
Assessed by CISA 20 May 2026 (SSVC 2.0.3).
timeline
- 10 Mar 2010First public exploit or proof of concept
- 10 Mar 2010Published · 1 day later
- 20 May 2026Added to CISA KEV (exploited in the wild) · 5,914 days (about 16 years) later
- 20 May 2026CISA SSVC assessment: exploitation active · same day later
- 21 May 2026CVE record last updated · 1 day later
- 3 Jun 2026CISA remediation due date (US federal agencies) · 13 days later
- 2 Nov 2026Analysed by vulneraibility.com · 153 days (about 5 months) later
- Advisoryus-cert.gov /cas/techalerts/TA10-089A.html
- Advisorysecunia.com /advisories/38860
- Advisoryus-cert.gov /cas/techalerts/TA10-068A.html
- Advisorydocs.microsoft.com /en-us/security-updates/securitybulletins/2010/ms10-018
- Advisorykb.cert.org /vuls/id/744549
- Advisorylearn.microsoft.com /en-us/security-updates/securitybulletins/2010/ms10-018
- Linkosvdb.org /62810
- Linksecurityfocus.com /bid/38615
Show 7 more
- Linkvupen.com /english/advisories/2010/0567
- Linkmicrosoft.com /technet/security/advisory/981374.mspx
- Linkexchange.xforce.ibmcloud.com /vulnerabilities/56772
- Linkoval.cisecurity.org /repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A8446
- Linkvupen.com /english/advisories/2010/0744
- Linkblogs.technet.com /msrc/archive/2010/03/09/security-advisory-981374-released.aspx
- Linkcisa.gov /known-exploited-vulnerabilities-catalog?field_cve=CVE-2010-0806
sources
- CVE List (CVE.org): description, affected versions, references; CVE Terms of Use
- NVD: CVSS and CPE data
- CISA KEV catalog: exploitation, date added, due date
- CISA Vulnrichment (ADP): SSVC decision points
- FIRST EPSS: exploit probability and percentile
- Exploit-DB: published exploits
- Metasploit Framework: exploit and scanner modules
- Summary, impact and triage tags: written by our AI analysis pipeline from the sources above. Check them against the sources.