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.
CVE-2011-1346
NONECVSS 0.0Elevated
0.0
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
- No confirmed exploitation signals yet
CISA-KEV: Not listedEPSS: 26%CVSS: —Exploit: NoneExposed: 0
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- —
- EG Score
- 0.0(none)
- EPSS
- 97.7%
- KEV
- Not listed
Published
March 10, 2011
Last Modified
April 29, 2026
References (16)
- cve@mitrehttp://dvlabs.tippingpoint.com/blog/2011/02/02/pwn2own-2011
- cve@mitrehttp://twitter.com/aaronportnoy/statuses/45642180118855680
- cve@mitrehttp://twitter.com/msftsecresponse/statuses/45646985998516224
- cve@mitrehttp://www.computerworld.com/s/article/9214002/Safari_IE_hacked_first_at_Pwn2Own
- cve@mitrehttp://www.securityfocus.com/bid/46821
- cve@mitrehttp://www.zdnet.com/blog/security/pwn2own-2011-ie8-on-windows-7-hijacked-with-3-vulnerabilities/8367
- cve@mitrehttps://exchange.xforce.ibmcloud.com/vulnerabilities/66063
- cve@mitrehttps://threatpost.com/en_us/blogs/pwn2own-winner-stephen-fewer-031011
- af854a3a-2127-422b-91ae-364da2661108http://dvlabs.tippingpoint.com/blog/2011/02/02/pwn2own-2011
- af854a3a-2127-422b-91ae-364da2661108http://twitter.com/aaronportnoy/statuses/45642180118855680
- af854a3a-2127-422b-91ae-364da2661108http://twitter.com/msftsecresponse/statuses/45646985998516224
- af854a3a-2127-422b-91ae-364da2661108http://www.computerworld.com/s/article/9214002/Safari_IE_hacked_first_at_Pwn2Own
- af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/46821
- af854a3a-2127-422b-91ae-364da2661108http://www.zdnet.com/blog/security/pwn2own-2011-ie8-on-windows-7-hijacked-with-3-vulnerabilities/8367
- af854a3a-2127-422b-91ae-364da2661108https://exchange.xforce.ibmcloud.com/vulnerabilities/66063
Data Freshness Timeline
(refreshed 5× in last 7d / 37× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
- 2026-07-06 16:23 UTCEPSS rescore
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Frequently asked(4)
What is CVE-2011-1346?
CVE-2011-1346 is a none vulnerability published on March 10, 2011. 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.
When was CVE-2011-1346 disclosed?
CVE-2011-1346 was first published in the National Vulnerability Database on March 10, 2011, with the most recent update on April 29, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2011-1346 actively exploited?
CVE-2011-1346 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 97.7% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
How do I remediate CVE-2011-1346?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2011-1346, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.
Dependency Blast Radius
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