CVE-2010-0806: Microsoft Internet Explorer Use-After-Free Vulnerability
Advisory generated from the CVE record, CISA, Exploit Observer and VEDAS: what it is, whether it is exploited, who is affected, and how to fix and detect it.
Generated by VEDAS. Scores as of 2026-11-01 19:19 UTC. Rebuilt every few hours from cve-scores, CISA KEV and vedas-signatures. How this works and its limits.
What it is
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.”
Description quoted from the CVE record (assigned by microsoft, published 2010-03-10).
Weakness: CWE-416 Use After Free
How it can be exploited
Exploitable over the network with low attack complexity needing no privileges and a user must take an action. Impact: confidentiality high, integrity high, availability high. CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CISA assessment (SSVC): CISA assesses exploitation as active. Automatable: no. Technical impact: total.
- On CISA KEV since
- 2026-05-20
- US federal deadline
- 2026-06-03
- Ransomware use
- Not known
Public exploit evidence (Exploit Observer)
Also known as: BDU:2026-07707, CNNVD-201003-152, EDB-11683, EDB-16590, EUVD-2010-0832, GHSA-f5rx-x946-jm33
VEDAS cluster: VEDAS:BLISSBOUND
Exploit Observer links 2 pieces of public exploit code or detection modules that name this CVE or one of its aliases.
Exploit code and modules (2)
Code that names this CVE. A repository can be a working exploit, a scanner, a fake or malware; read it before running anything.
- Exploit-DB: https://www.exploit-db.com/raw/11683
- Exploit-DB: https://www.exploit-db.com/raw/16590
Research and write-ups (1)
- Research or write-up: https://web.archive.org/web/20100929225343/https://www.avertlabs.com/research/blog/index.php/2010/03/09/targeted-internet-explorer-0day-attack-announced-cve-2010-0806
Vulnerability databases and vendor advisories (5)
Catalogue entries, not exploit evidence.
- Vulnerability database or vendor advisory: https://euvd.enisa.europa.eu/enisa/EUVD-2010-0832
- Vulnerability database or vendor advisory: https://github.com/advisories/GHSA-f5rx-x946-jm33
- Vulnerability database or vendor advisory: https://nvd.nist.gov/vuln/detail/CVE-2010-0806
- Vulnerability database or vendor advisory: https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2010-0806
- Vulnerability database or vendor advisory: https://www.cnnvd.org.cn/home/globalSearch?keyword=CNNVD-201003-152
25 more references returned by Exploit Observer did not name this CVE or an alias, so they are left out.
VEDAS data as of 2026-11-01T17:12 UTC; fetched 2026-11-02.
Live scores
- EPSS
- 0.822
very likely to be attacked soon - VEDAS
- 0.986
strong exploit evidence - On CISA KEV
- Yes, since 2026-05-20
- Detection rule
- None yet
Thin horizontal line: the “likely” (EPSS 0.10) or “strong” (VEDAS 0.90) threshold. Shaded “no data” areas are periods when cve-scores did not publish. The vertical line is the day CISA added it to its exploited list.
VEDAS flagged this bug about 276 days before CISA confirmed attacks.
Who is affected
| Product | Affected | Not affected |
|---|---|---|
| Not stated | version n/a | Not stated |
Version ranges exactly as the CVE record states them. “Before X” means X is the first fixed version.
How to fix it
CISA 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.
Vendor guidance:
- MS10-018 (vendor-advisory, x_refsource_MS)
- https://learn.microsoft.com/en-us/security-updates/securitybulletins/2010/ms10-018 (vendor-advisory)
How to detect it
There is no open VEDAS detection rule for this bug yet. It is listed on the detection gaps page if CISA has confirmed attacks.
References
Vendor advisories and patches
- MS10-018 (vendor-advisory, x_refsource_MS)
- https://learn.microsoft.com/en-us/security-updates/securitybulletins/2010/ms10-018 (vendor-advisory)
Exploits and technical analysis
- TA10-089A (third-party-advisory, x_refsource_CERT)
- 38860 (third-party-advisory, x_refsource_SECUNIA)
- TA10-068A (third-party-advisory, x_refsource_CERT)
- VU#744549 (third-party-advisory, x_refsource_CERT-VN)
Government sources
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2010-0806 (government-resource)
Other references
- 62810 (vdb-entry, x_refsource_OSVDB)
- 38615 (vdb-entry, x_refsource_BID)
- ADV-2010-0567 (vdb-entry, x_refsource_VUPEN)
- http://www.microsoft.com/technet/security/advisory/981374.mspx (x_refsource_CONFIRM)
- ms-ie-useafterfree-code-execution(56772) (vdb-entry, x_refsource_XF)
- oval:org.mitre.oval:def:8446 (vdb-entry, signature, x_refsource_OVAL)
- ADV-2010-0744 (vdb-entry, x_refsource_VUPEN)
- http://blogs.technet.com/msrc/archive/2010/03/09/security-advisory-981374-released.aspx (x_refsource_CONFIRM)
Other databases
Where this comes from
This advisory is generated automatically by VEDAS from: CVE.org record, CISA KEV, cve-scores (EPSS and VEDAS), Exploit Observer. Text in quotes is reproduced from the source; everything else is a fixed template filled with source fields. Nothing here is written by a language model. Check the vendor advisory before acting, and read how VEDAS and Exploit Observer work, and their limits.