Heap-based buffer overflow in Internet Explorer 6 allows remote attackers to execute arbitrary code via long (1) SRC or (2) NAME attributes in IFRAME, FRAME, and EMBED elements, as originally discovered using the mangleme utility, aka "the IFRAME vulnerability" or the "HTML Elements Vulnerability."
CVE-2004-1050
- High exploitation likelihood — EPSS 67%
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
- 99.2%
- KEV
- Not listed
Published
December 31, 2004
Last Modified
June 16, 2026
References (24)
- cve@mitrehttp://lists.grok.org.uk/pipermail/full-disclosure/2004-October/028009.html
- cve@mitrehttp://lists.grok.org.uk/pipermail/full-disclosure/2004-October/028035.html
- cve@mitrehttp://marc.info/?l=bugtraq&m=109942758911846&w=2
- cve@mitrehttp://secunia.com/advisories/12959/
- cve@mitrehttp://www.kb.cert.org/vuls/id/842160
- cve@mitrehttp://www.securityfocus.com/archive/1/379261
- cve@mitrehttp://www.securityfocus.com/bid/11515
- cve@mitrehttp://www.us-cert.gov/cas/techalerts/TA04-315A.html
- cve@mitrehttp://www.us-cert.gov/cas/techalerts/TA04-336A.html
- cve@mitrehttps://docs.microsoft.com/en-us/security-updates/securitybulletins/2004/ms04-040
- cve@mitrehttps://exchange.xforce.ibmcloud.com/vulnerabilities/17889
- cve@mitrehttps://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1294
- af854a3a-2127-422b-91ae-364da2661108http://lists.grok.org.uk/pipermail/full-disclosure/2004-October/028009.html
- af854a3a-2127-422b-91ae-364da2661108http://lists.grok.org.uk/pipermail/full-disclosure/2004-October/028035.html
- af854a3a-2127-422b-91ae-364da2661108http://marc.info/?l=bugtraq&m=109942758911846&w=2
Data Freshness Timeline
(refreshed 4× in last 7d / 14× 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 06:07 UTCEPSS rescore
- 2026-07-11 08:22 UTCEPSS rescore
- 2026-07-11 08:22 UTCEPSS rescore
- 2026-07-08 15:09 UTCEPSS rescore
- 2026-07-02 14:00 UTCEPSS rescore
- 2026-06-27 03:04 UTCEPSS rescore
- 2026-06-23 21:29 UTCEPSS rescore
- 2026-06-18 17:49 UTCEPSS rescore
- 2026-06-18 17:49 UTCEPSS rescore
- 2026-06-17 17:49 UTCEPSS rescore
- 2026-06-17 17:49 UTCEPSS rescore
- 2026-06-16 17:49 UTCEPSS rescore
- 2026-06-16 17:49 UTCEPSS rescore
- 2026-06-15 17:43 UTCEPSS rescore
- 2026-06-12 23:08 UTCEPSS rescore
- 2026-06-11 13:55 UTCEPSS rescore
- 2026-06-10 22:13 UTCEPSS rescore
- 2026-06-07 15:21 UTCEPSS rescore
- 2026-06-06 13:44 UTCEPSS rescore
- 2026-06-06 13:44 UTCEPSS rescore
- 2026-06-06 13:44 UTCEPSS rescore
- 2026-06-05 22:43 UTCEPSS rescore
- 2026-06-05 22:43 UTCEPSS rescore
- 2026-06-05 06:07 UTCEPSS rescore
- 2026-06-04 13:09 UTCEPSS rescore
Show 10 moreShow fewer
- 2026-05-31 15:21 UTCEG score recompute
- 2026-05-31 15:21 UTCGHSA enrichment
- 2026-05-31 00:13 UTCEPSS rescore
- 2026-05-31 00:13 UTCEPSS rescore
- 2026-05-27 13:37 UTCEPSS rescore
- 2026-05-24 16:42 UTCEPSS rescore
- 2026-05-22 21:15 UTCEPSS rescore
- 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-612✓ verifiedFirst seen Nov 2, 2004
Microsoft Internet Explorer 6 - IFRAME Tag Buffer Overflow
Open source ↗
Frequently asked(4)
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