CVE-2007-1749
Integer underflow in the CDownloadSink class code in the Vector Markup Language (VML) component (VGX.DLL), as used in Internet Explorer…
- 9.3HighCVSS base score
- 41.5%Exploitation in 30 daysEPSS · top 1.3% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- 1Public exploitsMetasploit, Nuclei and Exploit-DB
Description
Integer underflow in the CDownloadSink class code in the Vector Markup Language (VML) component (VGX.DLL), as used in Internet Explorer 5.01, 6, and 7 allows remote attackers to execute arbitrary code via compressed content with an invalid buffer size, which triggers a heap-based buffer overflow.
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 Internet Explorer 5.0.1 - Vector Markup Language 'VGX.dll' Remote Buffer Overflow (Exploit-DB entry) (opens in a new tab)
EDB-ID 30494dos, windowspublished 14 Aug 2007Verified
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 microsoft
- 5 months later
· 5 months later
Published
- 17 years later
· 17 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 | High9.3 | AV:N/AC:M/Au:N/C:C/I:C/A:C |
- EPSS (exploitation in 30 days)
- 41.5% · top 1.3% of all CVEs (9 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 9.3.
Affected products
n/a
- affected n/a
References
11
- 25310 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- 26409 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- http://research.eeye.com/html/advisories/published/AD20070814a.html (opens in a new tab)x_refsource_MISCx_transferred
- TA07-226A (opens in a new tab)third-party-advisoryx_refsource_CERTx_transferred
- 1018568 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- MS07-050 (opens in a new tab)vendor-advisoryx_refsource_MSx_transferred
- oval:org.mitre.oval:def:1784 (opens in a new tab)vdb-entrysignaturex_refsource_OVALx_transferred
- ADV-2007-2874 (opens in a new tab)vdb-entryx_refsource_VUPENx_transferred
- 3020 (opens in a new tab)third-party-advisoryx_refsource_SREASONx_transferred
- 20070814 EEYE: VGX.DLL Compressed Content Heap Overflow Vulnerability (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
- VU#468800 (opens in a new tab)third-party-advisoryx_refsource_CERT-VNx_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-2007-1743 (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-2007-1749)Record last updated .