CVE-2011-1346

critical

Description

Unspecified vulnerability in Microsoft Internet Explorer 8 on Windows 7 allows remote attackers to execute arbitrary code via unknown vectors, as demonstrated by Stephen Fewer as the second of three chained vulnerabilities during a Pwn2Own competition at CanSecWest 2011.

References

https://threatpost.com/en_us/blogs/pwn2own-winner-stephen-fewer-031011

https://exchange.xforce.ibmcloud.com/vulnerabilities/66063

http://www.zdnet.com/blog/security/pwn2own-2011-ie8-on-windows-7-hijacked-with-3-vulnerabilities/8367

http://www.securityfocus.com/bid/46821

http://www.computerworld.com/s/article/9214002/Safari_IE_hacked_first_at_Pwn2Own

http://twitter.com/msftsecresponse/statuses/45646985998516224

http://twitter.com/aaronportnoy/statuses/45642180118855680

http://dvlabs.tippingpoint.com/blog/2011/02/02/pwn2own-2011

Details

Source: Mitre, NVD

Published: 2011-03-10

Updated: 2026-06-16

Risk Information

CVSS v2

Base Score: 9.3

Vector: CVSS2#AV:N/AC:M/Au:N/C:C/I:C/A:C

Severity: High

CVSS v3

Base Score: 9.8

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Severity: Critical

EPSS

EPSS: 0.28299