{"id":"CVE-2011-1347","aliases":["EUVD-2011-1354","GHSA-x753-r8m4-q2wg"],"status":"published","title":"Unspecified vulnerability in Microsoft Internet Explorer 8 on Windows 7 allows remote attackers...","description":"Unspecified vulnerability in Microsoft Internet Explorer 8 on Windows 7 allows remote attackers to bypass Protected Mode and create arbitrary files by leveraging access to a Low integrity process, as demonstrated by Stephen Fewer as the third of three chained vulnerabilities during a Pwn2Own competition at CanSecWest 2011.","severity":{"version":"2.0","score":8.8,"vector":"AV:N/AC:M/Au:N/C:N/I:C/A:C","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.27967,"percentile":0.98113,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2011-03-10T20:00:00Z","modified":"2026-06-16T23:29:12Z","products":[{"vendor":"microsoft","product":"internet_explorer"}],"references":[{"url":"https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-057","tags":["vendor-advisory","x_refsource_MS","x_transferred"]},{"url":"http://twitter.com/msftsecresponse/statuses/45646985998516224","tags":["x_refsource_MISC","x_transferred"]},{"url":"http://twitter.com/aaronportnoy/statuses/45642180118855680","tags":["x_refsource_MISC","x_transferred"]},{"url":"http://dvlabs.tippingpoint.com/blog/2011/02/02/pwn2own-2011","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/66064","tags":["vdb-entry","x_refsource_XF","x_transferred"]},{"url":"http://www.computerworld.com/s/article/9214002/Safari_IE_hacked_first_at_Pwn2Own","tags":["x_refsource_MISC","x_transferred"]},{"url":"http://www.securityfocus.com/bid/46821","tags":["vdb-entry","x_refsource_BID","x_transferred"]},{"url":"https://threatpost.com/en_us/blogs/pwn2own-winner-stephen-fewer-031011","tags":["x_refsource_MISC","x_transferred"]},{"url":"http://www.zdnet.com/blog/security/pwn2own-2011-ie8-on-windows-7-hijacked-with-3-vulnerabilities/8367","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2011-1347"},{"url":"https://github.com/advisories/GHSA-x753-r8m4-q2wg"}],"sources":{"cve":[{"id":"CVE-2011-1347","description":"Unspecified vulnerability in Microsoft Internet Explorer 8 on Windows 7 allows remote attackers to bypass Protected Mode and create arbitrary files by leveraging access to a Low integrity process, as demonstrated by Stephen Fewer as the third of three chained vulnerabilities during a Pwn2Own competition at CanSecWest 2011.","status":"published","published":"2011-03-10T20:00:00Z","modified":"2024-08-06T22:21:34.096Z","updated_at":"2026-11-02T14:35:38.711857Z"}],"euvd":[{"id":"EUVD-2011-1354","description":"Unspecified vulnerability in Microsoft Internet Explorer 8 on Windows 7 allows remote attackers to bypass Protected Mode and create arbitrary files by leveraging access to a Low integrity process, as demonstrated by Stephen Fewer as the third of three chained vulnerabilities during a Pwn2Own competition at CanSecWest 2011.","status":"published","published":"2011-03-10T20:00:00Z","modified":"2024-08-06T22:21:34Z","updated_at":"2026-11-03T01:55:57.223544Z"}],"ghsa":[{"id":"GHSA-x753-r8m4-q2wg","title":"Unspecified vulnerability in Microsoft Internet Explorer 8 on Windows 7 allows remote attackers...","description":"Unspecified vulnerability in Microsoft Internet Explorer 8 on Windows 7 allows remote attackers to bypass Protected Mode and create arbitrary files by leveraging access to a Low integrity process, as demonstrated by Stephen Fewer as the third of three chained vulnerabilities during a Pwn2Own competition at CanSecWest 2011.","status":"published","published":"2022-05-13T01:07:45Z","modified":"2023-02-01T05:03:08Z","updated_at":"2026-11-02T14:50:01.019018Z"}],"nvd":[{"id":"CVE-2011-1347","description":"Unspecified vulnerability in Microsoft Internet Explorer 8 on Windows 7 allows remote attackers to bypass Protected Mode and create arbitrary files by leveraging access to a Low integrity process, as demonstrated by Stephen Fewer as the third of three chained vulnerabilities during a Pwn2Own competition at CanSecWest 2011.","status":"published","published":"2011-03-10T20:55:01.343Z","modified":"2026-06-16T23:29:12.023Z","cvss":[{"version":"2.0","score":8.8,"vector":"AV:N/AC:M/Au:N/C:N/I:C/A:C","level":"high","assessor":"primary"}],"updated_at":"2026-11-02T14:02:07.221228Z"}]}}