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."
Published Dec 22, 2010
9.3
HIGHCVSS 2.0
EPSS 81.66%
Description
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."
Affected products
No data.
- 7
- 8
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:N/AC:M/Au:N/C:C/I:C/A:C
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 2, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (14 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 81.66% (0.81663) | 99.63th | v5 (v2026.06.15) |
| Jun 15, 2026 | 81.66% (0.81663) | 99.60th | v5 (v2026.06.15) |
| Mar 17, 2025 | 85.60% (0.85602) | 99.33th | v4 (v2025.03.14) |
| Dec 12, 2024 | 97.20% (0.97199) | 99.86th | v3 (v2023.03.01) |
| Jul 2, 2024 | 97.11% (0.97113) | 99.80th | v3 (v2023.03.01) |
| May 19, 2024 | 97.15% (0.97153) | 99.80th | v3 (v2023.03.01) |
| Jan 8, 2024 | 97.18% (0.97181) | 99.78th | v3 (v2023.03.01) |
| Nov 20, 2023 | 96.46% (0.96459) | 99.46th | v3 (v2023.03.01) |
| Apr 30, 2023 | 97.04% (0.97042) | 99.59th | v3 (v2023.03.01) |
| Mar 7, 2023 | 97.15% (0.97149) | 99.61th | v3 (v2023.03.01) |
| Mar 6, 2023 | 89.39% (0.89395) | 99.82th | v2 (v2022.01.01) |
| Apr 29, 2022 | 89.39% (0.89395) | 99.81th | v2 (v2022.01.01) |
| Feb 11, 2022 | 91.67% (0.91675) | 99.87th | v2 (v2022.01.01) |
| Feb 4, 2022 | 93.06% (0.93062) | 99.91th | v2 (v2022.01.01) |
References (16)
- http://blogs.technet.com/b/srd/archive/2011/01/07/assessing-the-risk-of-public-issues-currently-being-tracked-by-the-msrc.aspx x_refsource_MISC
- http://seclists.org/fulldisclosure/2010/Dec/110 mailing-listx_refsource_FULLDISCExploit
- http://secunia.com/advisories/42510 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://support.avaya.com/css/P8/documents/100127294 x_refsource_CONFIRM
- http://www.breakingpointsystems.com/community/blog/ie-vulnerability/ x_refsource_MISCExploit
- http://www.exploit-db.com/exploits/15708 exploitx_refsource_EXPLOIT-DB
- http://www.exploit-db.com/exploits/15746 exploitx_refsource_EXPLOIT-DB
- http://www.kb.cert.org/vuls/id/634956 third-party-advisoryx_refsource_CERT-VNUS Government Resource
- http://www.microsoft.com/technet/security/advisory/2488013.mspx x_refsource_MISC
- http://www.securityfocus.com/bid/45246 vdb-entryx_refsource_BID
- http://www.securitytracker.com/id?1024922 vdb-entryx_refsource_SECTRACK
- http://www.vupen.com/english/advisories/2010/3156 vdb-entryx_refsource_VUPENVendor Advisory
- http://www.vupen.com/english/advisories/2011/0318 vdb-entryx_refsource_VUPEN
- http://www.wooyun.org/bugs/wooyun-2010-0885 x_refsource_MISCExploit
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-003 vendor-advisoryx_refsource_MS
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12382 vdb-entrysignaturex_refsource_OVAL
Change history (0)
No recorded changes yet.