The wininet.dll FTP client code in Microsoft Internet Explorer 5.01 and 6 might allow remote attackers to execute arbitrary code via an FTP server response of a specific length that causes a terminating null byte to be written outside of a buffer, which causes heap corruption.
CVE-2007-0217
- High exploitation likelihood — EPSS 61%
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
- 99.0%
- KEV
- Not listed
Published
February 13, 2007
Last Modified
April 23, 2026
References (22)
- secure@microsofthttp://labs.idefense.com/intelligence/vulnerabilities/display.php?id=473
- secure@microsofthttp://secunia.com/advisories/24156
- secure@microsofthttp://www.kb.cert.org/vuls/id/613564
- secure@microsofthttp://www.osvdb.org/31892
- secure@microsofthttp://www.securityfocus.com/archive/1/462303/100/0/threaded
- secure@microsofthttp://www.securityfocus.com/bid/22489
- secure@microsofthttp://www.securitytracker.com/id?1017642
- secure@microsofthttp://www.us-cert.gov/cas/techalerts/TA07-044A.html
- secure@microsofthttp://www.vupen.com/english/advisories/2007/0584
- secure@microsofthttps://docs.microsoft.com/en-us/security-updates/securitybulletins/2007/ms07-016
- secure@microsofthttps://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1141
- af854a3a-2127-422b-91ae-364da2661108http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=473
- af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/24156
- af854a3a-2127-422b-91ae-364da2661108http://www.kb.cert.org/vuls/id/613564
- af854a3a-2127-422b-91ae-364da2661108http://www.osvdb.org/31892
Data Freshness Timeline
(refreshed 4× in last 7d / 26× 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
- 2026-07-13 06:07 UTCEPSS rescore
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- 2026-06-14 23:13 UTCEPSS rescore
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- 2026-06-01 13:49 UTCEPSS rescore
- 2026-06-01 13:49 UTCEPSS rescore
- 2026-05-31 04:18 UTCEG score recompute
- 2026-05-31 04:18 UTCGHSA enrichment
- 2026-05-31 00:13 UTCEPSS rescore
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- 2026-05-29 13:40 UTCEPSS rescore
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- 2026-05-27 13:37 UTCEPSS rescore
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- 2026-05-26 07:16 UTCEPSS rescore
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- 2026-05-24 16:42 UTCEPSS rescore
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- 2026-05-20 22:36 UTCEPSS rescore
- 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-3444✓ verifiedFirst seen Mar 9, 2007
Microsoft Internet Explorer - FTP Server Response Denial of Service (MS07-016)
Open source ↗
Frequently asked(4)
What is CVE-2007-0217?
When was CVE-2007-0217 disclosed?
Is CVE-2007-0217 actively exploited?
How do I remediate CVE-2007-0217?
Dependency Blast Radius
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