CVE-2007-1749

Severity: critical (CVSS 9.3 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 41.5% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2007-08-14 · updated 2026-06-16

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.

Affected products

Microsoft Internet Explorer 11: 5.01, 6, 7

References

http://research.eeye.com/html/advisories/published/AD20070814a.html
http://secunia.com/advisories/26409
http://securityreason.com/securityalert/3020
http://www.kb.cert.org/vuls/id/468800
http://www.securityfocus.com/archive/1/476498/100/0/threaded
http://www.securityfocus.com/bid/25310
http://www.securitytracker.com/id?1018568
http://www.us-cert.gov/cas/techalerts/TA07-226A.html
http://www.vupen.com/english/advisories/2007/2874
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2007/ms07-050
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1784
http://research.eeye.com/html/advisories/published/AD20070814a.html

Get alerted when CVE-2007-1749 or the next vulnerability affects your stack