CVE-2010-3886
The CTimeoutEventList::InsertIntoTimeoutList function in Microsoft mshtml.dll uses a certain pointer value as part of producing Timer ID…
- 4.3MediumCVSS base score
- 16.5%Exploitation in 30 daysEPSS · top 3.0% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- 1Public exploitsMetasploit, Nuclei and Exploit-DB
Description
The CTimeoutEventList::InsertIntoTimeoutList function in Microsoft mshtml.dll uses a certain pointer value as part of producing Timer ID values for the setTimeout and setInterval methods in VBScript and JScript, which allows remote attackers to obtain sensitive information about the heap memory addresses used by an application, as demonstrated by the Internet Explorer 8 application.
Public exploit
An exploit or proof of concept is public: anyone can try it against an unpatched system. The public collections list an Exploit-DB entry for it.
Show the exploits1
Exploit-DB1 entry
- Microsoft - 'MSHTML.dll' CTIMEOUTEVENTLIST::INSERTINTOTIMEOUTLIST Memory Leak (Exploit-DB entry) (opens in a new tab)
EDB-ID 14295dos, windowspublished 9 Jul 2010Verified
Modules, templates and exploits as listed by the Metasploit Framework (BSD-3-Clause), ProjectDiscovery's Nuclei templates (MIT) and the Exploit Database (GPLv2), read once a day. Where the data comes from
Timeline
ID reserved
By mitre
Published
- 14 years later
· 14 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | Medium4.3 | AV:N/AC:M/Au:N/C:P/I:N/A:N |
- EPSS (exploitation in 30 days)
- 16.5% · top 3.0% of all CVEs (10 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 4.3.
Affected products
n/a
- affected n/a
References
4
- 20100629 [0day] Microsoft mshtml.dll CTimeoutEventList::InsertIntoTimeoutList memory leak (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
- http://www.eeye.com/Resources/Security-Center/Research/Zero-Day-Tracker/2010/20100630 (opens in a new tab)x_refsource_MISCx_transferred
- http://twitter.com/WisecWisec/statuses/17254776077 (opens in a new tab)x_refsource_MISCx_transferred
- oval:org.mitre.oval:def:11606 (opens in a new tab)vdb-entrysignaturex_refsource_OVALx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2010-3864 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2010-3886)Record last updated .