The tblinf32.dll (aka vstlbinf.dll) ActiveX control for Internet Explorer 5.01, 6 SP1, and 7 uses an incorrect IObjectsafety implementation, which allows remote attackers to execute arbitrary code by requesting the HelpString property, involving a crafted DLL file argument to the TypeLibInfoFromFile function, which overwrites the HelpStringDll property to call the DLLGetDocumentation function in another DLL file, aka "ActiveX Object Vulnerability."
CVE-2007-2216
- No confirmed exploitation signals yet
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- —
- EG Score
- 0.0(none)
- EPSS
- 98.5%
- KEV
- Not listed
Published
August 14, 2007
Last Modified
April 23, 2026
References (18)
- secure@microsofthttp://secunia.com/advisories/26419
- secure@microsofthttp://securitytracker.com/id?1018562
- secure@microsofthttp://www.osvdb.org/36396
- secure@microsofthttp://www.securityfocus.com/archive/1/476742/100/0/threaded
- secure@microsofthttp://www.securityfocus.com/bid/25289
- secure@microsofthttp://www.us-cert.gov/cas/techalerts/TA07-226A.html
- secure@microsofthttp://www.vupen.com/english/advisories/2007/2869
- secure@microsofthttps://docs.microsoft.com/en-us/security-updates/securitybulletins/2007/ms07-045
- secure@microsofthttps://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A2109
- af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/26419
- af854a3a-2127-422b-91ae-364da2661108http://securitytracker.com/id?1018562
- af854a3a-2127-422b-91ae-364da2661108http://www.osvdb.org/36396
- af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/archive/1/476742/100/0/threaded
- af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/25289
- af854a3a-2127-422b-91ae-364da2661108http://www.us-cert.gov/cas/techalerts/TA07-226A.html
Data Freshness Timeline
(refreshed 4× in last 7d / 29× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
- 2026-07-13 22:25 UTCEPSS rescore
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- 2026-06-16 17:49 UTCEPSS rescore
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- 2026-06-01 13:49 UTCEPSS rescore
- 2026-06-01 13:49 UTCEPSS rescore
- 2026-05-31 01:21 UTCEG score recompute
- 2026-05-31 01:21 UTCGHSA enrichment
- 2026-05-31 00:13 UTCEPSS rescore
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- 2026-05-29 13:40 UTCEPSS rescore
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- 2026-05-22 21:15 UTCEPSS rescore
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- 2026-05-18 21:29 UTCEPSS rescore
- 2026-05-18 21:29 UTCEPSS rescore
Publicly available exploits
(1 reference)Working exploit code is in the public domain (1 Exploit-DB entry). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.
- Exploit-DBEDB-30490✓ verifiedFirst seen May 8, 2007
Microsoft Internet Explorer 5.0.1 - 'TBLinf32.dll' ActiveX Control Remote Code Execution
Open source ↗
Frequently asked(4)
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