Microsoft Internet Explorer 6 and 7 does not properly handle objects in memory that (1) were not properly initialized or (2) are deleted, which allows remote attackers to execute arbitrary code via vectors involving a call to the getElementsByTagName method for the STYLE tag name, selection of the single element in the returned list, and a change to the outerHTML property of this element, related to Cascading Style Sheets (CSS) and mshtml.dll, aka "HTML Object Memory Corruption Vulnerability." NOTE: some of these details are obtained from third party information
Published Dec 2, 2009
9.3
HIGHCVSS 2.0
EPSS 71.80%
Description
Microsoft Internet Explorer 6 and 7 does not properly handle objects in memory that (1) were not properly initialized or (2) are deleted, which allows remote attackers to execute arbitrary code via vectors involving a call to the getElementsByTagName method for the STYLE tag name, selection of the single element in the returned list, and a change to the outerHTML property of this element, related to Cascading Style Sheets (CSS) and mshtml.dll, aka "HTML Object Memory Corruption Vulnerability." NOTE: some of these details are obtained from third party information. NOTE: this issue was originally assigned CVE-2009-4054, but Microsoft assigned a duplicate identifier of CVE-2009-3672. CVE consumers should use this identifier instead of CVE-2009-4054.
Affected products
No data.
Configuration 1
- 6
Running on/with
- n/a
Configuration 2
- 6
Running on/with
- n/a
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- n/a
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Configuration 3
- 7
Running on/with
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
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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 1, 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 (28 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 71.80% (0.71802) | 99.41th | v5 (v2026.06.15) |
| Jun 15, 2026 | 71.80% (0.71802) | 99.35th | v5 (v2026.06.15) |
| Jun 6, 2026 | 86.80% (0.86795) | 99.44th | v4 (v2025.03.14) |
| Dec 28, 2025 | 80.59% (0.80588) | 99.09th | v4 (v2025.03.14) |
| Dec 27, 2025 | 85.23% (0.85226) | 99.32th | v4 (v2025.03.14) |
| Nov 15, 2025 | 80.59% (0.80588) | 99.08th | v4 (v2025.03.14) |
| Oct 28, 2025 | 79.01% (0.79013) | 99.01th | v4 (v2025.03.14) |
| Oct 27, 2025 | 84.15% (0.84150) | 99.26th | v4 (v2025.03.14) |
| Oct 5, 2025 | 79.01% (0.79013) | 99.02th | v4 (v2025.03.14) |
| Oct 1, 2025 | 72.41% (0.72405) | 98.71th | v4 (v2025.03.14) |
| Mar 17, 2025 | 79.52% (0.79517) | 99.03th | v4 (v2025.03.14) |
| Dec 17, 2024 | 92.42% (0.92416) | 99.22th | v3 (v2023.03.01) |
| Nov 8, 2024 | 84.38% (0.84379) | 98.58th | v3 (v2023.03.01) |
| Aug 22, 2024 | 76.91% (0.76912) | 98.26th | v3 (v2023.03.01) |
| Jul 12, 2024 | 74.86% (0.74856) | 98.17th | v3 (v2023.03.01) |
| Jun 1, 2024 | 78.22% (0.78225) | 98.25th | v3 (v2023.03.01) |
| Apr 20, 2024 | 78.35% (0.78352) | 98.21th | v3 (v2023.03.01) |
| Mar 6, 2024 | 71.60% (0.71602) | 97.98th | v3 (v2023.03.01) |
| Dec 8, 2023 | 63.55% (0.63546) | 97.54th | v3 (v2023.03.01) |
| Dec 5, 2023 | 38.02% (0.38016) | 96.84th | v3 (v2023.03.01) |
| Jul 26, 2023 | 35.20% (0.35204) | 96.57th | v3 (v2023.03.01) |
| Apr 30, 2023 | 28.20% (0.28197) | 96.16th | v3 (v2023.03.01) |
| Mar 18, 2023 | 27.10% (0.27095) | 96.04th | v3 (v2023.03.01) |
| Mar 7, 2023 | 24.54% (0.24542) | 95.85th | v3 (v2023.03.01) |
| Mar 6, 2023 | 89.83% (0.89830) | 99.84th | v2 (v2022.01.01) |
| Jul 18, 2022 | 89.83% (0.89830) | 99.83th | v2 (v2022.01.01) |
| Jul 17, 2022 | 80.76% (0.80764) | 99.52th | v2 (v2022.01.01) |
| Feb 4, 2022 | 89.83% (0.89830) | 99.81th | v2 (v2022.01.01) |
References (11)
- http://secunia.com/advisories/37448 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://www.kb.cert.org/vuls/id/515749 third-party-advisoryx_refsource_CERT-VNUS Government Resource
- http://www.microsoft.com/technet/security/advisory/977981.mspx x_refsource_CONFIRMVendor Advisory
- http://www.securityfocus.com/archive/1/507984/100/0/threaded mailing-listx_refsource_BUGTRAQ
- http://www.securityfocus.com/bid/37085 vdb-entryx_refsource_BIDExploit
- http://www.securitytracker.com/id?1023293 vdb-entryx_refsource_SECTRACK
- http://www.symantec.com/connect/blogs/zero-day-internet-explorer-exploit-published x_refsource_MISC
- http://www.us-cert.gov/cas/techalerts/TA09-342A.html third-party-advisoryx_refsource_CERTUS Government Resource
- http://www.vupen.com/english/advisories/2009/3301 vdb-entryx_refsource_VUPENVendor Advisory
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-072 vendor-advisoryx_refsource_MS
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6381 vdb-entrysignaturex_refsource_OVAL
Change history (0)
No recorded changes yet.