CVE-2010-3971
Use-after-free vulnerability in the CSharedStyleSheet::Notify function in the Cascading Style Sheets (CSS) parser in mshtml.dll, as used in Microsoft...
- Published
- Dec 22, 2010
- Updated
- Aug 7, 2024
- Assigning CNA
- microsoft
- Evidence observed
- Dec 8, 2010
Primary CVSS
nvd · CVSS 2.0
AV:N/AC:M/Au:N/C:C/I:C/A:CHigh · next 30 days
- Percentile
- 99.6%
- Model date
- Oct 13, 2026
EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.
Summary
Use-after-free vulnerability in the CSharedStyleSheet::Notify function in the Cascading Style Sheets (CSS) parser in mshtml.dll, as used in Microsoft Internet Explorer 6 through 8 and other products, allows remote attackers to execute arbitrary code or cause a denial of service (application crash) via a self-referential @import rule in a stylesheet, aka "CSS Memory Corruption Vulnerability."
Sources
modules/exploits/windows/browser/ms11_003_ie_css_import.rb
Metasploit Framework modulesDeclared conditions
- platform: Windows($.exploit_windows/browser/ms11_003_ie_css_import.platform)
- verification: check_not_declared($.exploit_windows/browser/ms11_003_ie_css_import.check)
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