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8.8

Internet Explorer 8 on Windows 7 can be tricked to write files

CVE-2011-1347 · published 15 years ago
Summary

A flaw in Internet Explorer 8 running on Windows 7 lets a remote attacker bypass the browser's security sandbox and create files on the computer. This could let malicious code be placed on the system without the user noticing. Install the latest security updates for Internet Explorer or switch to a newer, supported browser to protect your machines.

What to do

The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.

Affected software
VendorProductAffected versions
microsoft internet_explorer 8
cpe:2.3:a:microsoft:internet_explorer:8:*:*:*:*:*:*:*
Original advisory text
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, ...
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.
References
Fix within
Internet-facing 60 days
Internal At next upgrade
  • Not known to be exploited
  • Needs hands-on effort to exploit (estimated)
  • Gives an attacker partial control (estimated)
Severity
8.8 High
Exploitation
28% chance of attack within 30 days
Timeline
Published10 Mar 2011
Updated29 Sep 2026
First seen29 Sep 2026
Sources
CVE-2011-1347 · NVD
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