Microsoft Internet Explorer 6 through 9, and 10 Consumer Preview, does not properly handle objects in memory, which allows remote attackers to execute arbitrary code by attempting to access a nonexistent object, leading to a heap-based buffer overflow, aka "Col Element Remote Code Execution Vulnerability," as demonstrated by VUPEN during a Pwn2Own competition at CanSecWest 2012
Published Jun 12, 2012
9.3
HIGHCVSS 2.0
EPSS 64.96%
Description
Microsoft Internet Explorer 6 through 9, and 10 Consumer Preview, does not properly handle objects in memory, which allows remote attackers to execute arbitrary code by attempting to access a nonexistent object, leading to a heap-based buffer overflow, aka "Col Element Remote Code Execution Vulnerability," as demonstrated by VUPEN during a Pwn2Own competition at CanSecWest 2012.
Affected products
No data.
Configuration 1
- 6
Running on/with
- n/a
- n/a
- n/a
- n/a
- n/a
Configuration 2
- 7
Running on/with
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
Configuration 3
- 8
- 9
Running on/with
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- r2
- r2
- n/a
- n/a
- n/a
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 (16 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 64.96% (0.64962) | 99.23th | v5 (v2026.06.15) |
| Jun 15, 2026 | 64.96% (0.64962) | 99.15th | v5 (v2026.06.15) |
| Mar 17, 2025 | 86.75% (0.86751) | 99.39th | v4 (v2025.03.14) |
| Dec 12, 2024 | 97.11% (0.97114) | 99.83th | v3 (v2023.03.01) |
| May 8, 2024 | 97.02% (0.97017) | 99.74th | v3 (v2023.03.01) |
| Mar 11, 2024 | 96.93% (0.96929) | 99.70th | v3 (v2023.03.01) |
| Jan 11, 2024 | 97.05% (0.97053) | 99.71th | v3 (v2023.03.01) |
| Nov 8, 2023 | 97.02% (0.97017) | 99.68th | v3 (v2023.03.01) |
| Jul 7, 2023 | 97.05% (0.97053) | 99.63th | v3 (v2023.03.01) |
| May 3, 2023 | 97.11% (0.97108) | 99.62th | v3 (v2023.03.01) |
| Mar 7, 2023 | 97.01% (0.97012) | 99.53th | v3 (v2023.03.01) |
| Mar 6, 2023 | 90.58% (0.90582) | 99.86th | v2 (v2022.01.01) |
| Nov 27, 2022 | 90.58% (0.90582) | 99.86th | v2 (v2022.01.01) |
| Aug 27, 2022 | 91.13% (0.91133) | 99.87th | v2 (v2022.01.01) |
| May 26, 2022 | 91.41% (0.91411) | 99.87th | v2 (v2022.01.01) |
| Feb 4, 2022 | 91.84% (0.91844) | 99.88th | v2 (v2022.01.01) |
References (7)
- http://arstechnica.com/business/news/2012/03/ie-9-on-latest-windows-gets-stomped-at-hacker-contest.ars x_refsource_MISC
- http://pwn2own.zerodayinitiative.com/status.html x_refsource_MISC
- http://twitter.com/vupen/statuses/177895844828291073 x_refsource_MISC
- http://www.us-cert.gov/cas/techalerts/TA12-164A.html third-party-advisoryx_refsource_CERTUS Government Resource
- http://www.zdnet.com/blog/security/pwn2own-2012-ie-9-hacked-with-two-0day-vulnerabilities/10621 x_refsource_MISC
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2012/ms12-037 vendor-advisoryx_refsource_MS
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A15539 vdb-entrysignaturex_refsource_OVAL
| Link | Providers | Tags |
|---|---|---|
| http://arstechnica.com/business/news/2012/03/ie-9-on-latest-windows-gets-stomped-at-hacker-contest.ars | x_refsource_MISC | |
| http://pwn2own.zerodayinitiative.com/status.html | x_refsource_MISC | |
| http://twitter.com/vupen/statuses/177895844828291073 | x_refsource_MISC | |
| http://www.us-cert.gov/cas/techalerts/TA12-164A.html | third-party-advisoryx_refsource_CERTUS Government Resource | |
| http://www.zdnet.com/blog/security/pwn2own-2012-ie-9-hacked-with-two-0day-vulnerabilities/10621 | x_refsource_MISC | |
| https://docs.microsoft.com/en-us/security-updates/securitybulletins/2012/ms12-037 | vendor-advisoryx_refsource_MS | |
| https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A15539 | vdb-entrysignaturex_refsource_OVAL |
Change history (0)
No recorded changes yet.