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Vulnerability record · CVE-2014-1766 · published 27 April 2014

CVE-2014-1766: Microsoft internet explorer memory buffer overflow vulnerability

Microsoft · Internet Explorer

Microsoft Internet Explorer 9 through 11 allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted web site, as demonstrated by Sebastian Apelt and Andreas Schmidt during a Pwn2Own competition at CanSecWest 2014. NOTE: the original disclosure referred to triggering a kernel bug with the Internet Explorer exploit payload, but this ID is not for a kernel vulnerability.

9.3 CVSS 2.0 High EPSS 33% · top 1.7% CWE-119 · Memory buffer overflow
9.3CVSS 2.0 base score
33%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
10References
17 Jun 2026Last modified by NVD

Description

Microsoft Internet Explorer 9 through 11 allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted web site, as demonstrated by Sebastian Apelt and Andreas Schmidt during a Pwn2Own competition at CanSecWest 2014. NOTE: the original disclosure referred to triggering a kernel bug with the Internet Explorer exploit payload, but this ID is not for a kernel vulnerability.

AV:N/AC:M/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://twitter.com/thezdi/statuses/444216845734666240 Third Party Advisory
http://www.pwn2own.com/2014/03/pwn2own-results-thursday-day-two/ Broken LinkThird Party Advisory
http://www.securityfocus.com/bid/67518 Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1030370 Third Party AdvisoryVDB Entry
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2014/ms14-035 PatchVendor Advisory
http://twitter.com/thezdi/statuses/444216845734666240 Third Party Advisory
http://www.pwn2own.com/2014/03/pwn2own-results-thursday-day-two/ Broken LinkThird Party Advisory
http://www.securityfocus.com/bid/67518 Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1030370 Third Party AdvisoryVDB Entry
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2014/ms14-035 PatchVendor Advisory

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Related vulnerabilities

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

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Source: NIST National Vulnerability Database (record CVE-2014-1766), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.