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Vulnerability record · CVE-2009-1043 · published 23 March 2009

CVE-2009-1043: Microsoft internet explorer vulnerability

Microsoft · Internet Explorer

Unspecified vulnerability in Microsoft Internet Explorer 8 on Windows 7 allows remote attackers to execute arbitrary code via unknown vectors triggered by clicking on a link, as demonstrated by Nils during a PWN2OWN competition at CanSecWest 2009.

10.0 CVSS 2.0 High EPSS 31% · top 1.8%
10.0CVSS 2.0 base score
31%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
22References
16 Jun 2026Last modified by NVD

Description

Unspecified vulnerability in Microsoft Internet Explorer 8 on Windows 7 allows remote attackers to execute arbitrary code via unknown vectors triggered by clicking on a link, as demonstrated by Nils during a PWN2OWN competition at CanSecWest 2009.

AV:N/AC:L/Au:N/C:C/I:C/A:C

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://blogs.zdnet.com/security/?p=2934
http://cansecwest.com/index.html
http://dvlabs.tippingpoint.com/blog/2009/02/25/pwn2own-2009
http://dvlabs.tippingpoint.com/blog/2009/03/18/pwn2own-2009-day-1---safari-internet-explorer-and-firefox-taken-down-by-f
http://dvlabs.tippingpoint.com/blog/2009/03/20/pwn2own-day-2
http://news.cnet.com/8301-1009_3-10199652-83.html
http://osvdb.org/52892
http://www.h-online.com/security/Pwn2Own-2009-Safari-IE-8-and-Firefox-exploited--/news/112889
http://www.securityfocus.com/bid/34182
http://www.securitytracker.com/id?1021880
https://exchange.xforce.ibmcloud.com/vulnerabilities/49389
http://blogs.zdnet.com/security/?p=2934
http://cansecwest.com/index.html
http://dvlabs.tippingpoint.com/blog/2009/02/25/pwn2own-2009
http://dvlabs.tippingpoint.com/blog/2009/03/18/pwn2own-2009-day-1---safari-internet-explorer-and-firefox-taken-down-by-f
http://dvlabs.tippingpoint.com/blog/2009/03/20/pwn2own-day-2
http://news.cnet.com/8301-1009_3-10199652-83.html
http://osvdb.org/52892
http://www.h-online.com/security/Pwn2Own-2009-Safari-IE-8-and-Firefox-exploited--/news/112889
http://www.securityfocus.com/bid/34182
http://www.securitytracker.com/id?1021880
https://exchange.xforce.ibmcloud.com/vulnerabilities/49389

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2009-1043), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.