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CVE-2011-1347
Unspecified vulnerability in Microsoft Internet Explorer 8 on Windows 7 allows remote attackers to bypass Protected Mode and create…
- 8.8HighCVSS base score
- 28.0%Exploitation in 30 daysEPSS · top 1.9% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
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.
Timeline
ID reserved
By mitre
Published
- 13 years later
· 13 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | High8.8 | AV:N/AC:M/Au:N/C:N/I:C/A:C |
- EPSS (exploitation in 30 days)
- 28.0% · top 1.9% of all CVEs (9 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 8.8.
Affected products
n/a
- affected n/a
References
9
- MS11-057 (opens in a new tab)vendor-advisoryx_refsource_MSx_transferred
- http://twitter.com/msftsecresponse/statuses/45646985998516224 (opens in a new tab)x_refsource_MISCx_transferred
- http://twitter.com/aaronportnoy/statuses/45642180118855680 (opens in a new tab)x_refsource_MISCx_transferred
- http://dvlabs.tippingpoint.com/blog/2011/02/02/pwn2own-2011 (opens in a new tab)x_refsource_MISCx_transferred
- ms-ie-unspec-ce(66064) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
- http://www.computerworld.com/s/article/9214002/Safari_IE_hacked_first_at_Pwn2Own (opens in a new tab)x_refsource_MISCx_transferred
- 46821 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- https://threatpost.com/en_us/blogs/pwn2own-winner-stephen-fewer-031011 (opens in a new tab)x_refsource_MISCx_transferred
- http://www.zdnet.com/blog/security/pwn2own-2011-ie8-on-windows-7-hijacked-with-3-vulnerabilities/8367 (opens in a new tab)x_refsource_MISCx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2011-1354 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2011-1347)Record last updated .