CVE-2014-1766
Microsoft Internet Explorer 9 through 11 allows remote attackers to execute arbitrary code or...
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.
Exploit likelihood
What each source reports
NVD Score used
9.3
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.
- Record
CVE-2014-1766- CVSS 2.0
- 9.3 High
AV:N/AC:M/Au:N/C:C/I:C/A:C - Weakness
- CWE-119
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2014-1766- Updated
- 2026-11-02
EUVDEUVD-2014-1840 No score
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.
- Record
EUVD-2014-1840- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-5qph-hm62-j6f6 No score
Microsoft Internet Explorer 9 through 11 allows remote attackers to execute arbitrary code or...
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.
- Record
GHSA-5qph-hm62-j6f6- Weakness
- CWE-119
- Updated
- 2026-11-02
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Exploit-DB | Microsoft Internet Explorer 9/10 - CFormElement Use-After-Free / Memory Corruption (PoC) (MS14-035) | 2014-07-08 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, Exploit-DB, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2014-1766 is a high vulnerability (CVSS 9.3) in Microsoft Internet Explorer, published April 27, 2014. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 33.2%, the 98th percentile. No source names a fixed version.
References
pwn2own.com/2014/03/pwn2own-results-thursday-day-two
securitytracker.com/id/1030370
twitter.com/thezdi/statuses/444216845734666240
docs.microsoft.com/en-us/security-updates/securitybulletins/2014/ms14-035
securityfocus.com/bid/67518
nvd.nist.gov/vuln/detail/CVE-2014-1766
github.com/advisories/GHSA-5qph-hm62-j6f6