CVE-2011-1347
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…
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EPSS puts the probability of exploitation in the next 30 days at 28.0%, higher than 98% of all known CVEs. Patch or mitigate before the next change window.
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.
- CVSS 2.0
- 8.8 HIGHAV:N/AC:M/Au:N/C:N/I:C/A:C
- EPSS
- 27.97% probability · 98th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Affected
- microsoft/internet explorer
- Source
- cve@mitre.org
EPSS 28.0% since 26 October 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- http://dvlabs.tippingpoint.com/blog/2011/02/02/pwn2own-2011
- http://twitter.com/aaronportnoy/statuses/45642180118855680
- http://twitter.com/msftsecresponse/statuses/45646985998516224
- http://www.computerworld.com/s/article/9214002/Safari_IE_hacked_first_at_Pwn2Own
- http://www.securityfocus.com/bid/46821
- http://www.zdnet.com/blog/security/pwn2own-2011-ie8-on-windows-7-hijacked-with-3-vulnerabilities/8367
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-057
- https://exchange.xforce.ibmcloud.com/vulnerabilities/66064
- https://threatpost.com/en_us/blogs/pwn2own-winner-stephen-fewer-031011
- http://dvlabs.tippingpoint.com/blog/2011/02/02/pwn2own-2011
- http://twitter.com/aaronportnoy/statuses/45642180118855680
- http://twitter.com/msftsecresponse/statuses/45646985998516224
- http://www.computerworld.com/s/article/9214002/Safari_IE_hacked_first_at_Pwn2Own
- http://www.securityfocus.com/bid/46821
- http://www.zdnet.com/blog/security/pwn2own-2011-ie8-on-windows-7-hijacked-with-3-vulnerabilities/8367
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-057
- https://exchange.xforce.ibmcloud.com/vulnerabilities/66064
- https://threatpost.com/en_us/blogs/pwn2own-winner-stephen-fewer-031011
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.