Use-after-free vulnerability in Microsoft Internet Explorer 6 and 7 allows remote attackers to execute arbitrary code by accessing an object that (1) was not properly initialized or (2) is deleted, aka "Layouts Handling Memory Corruption Vulnerability."
Published Apr 13, 2011
9.3
HIGHCVSS 2.0
EPSS 21.91%
Description
Use-after-free vulnerability in Microsoft Internet Explorer 6 and 7 allows remote attackers to execute arbitrary code by accessing an object that (1) was not properly initialized or (2) is deleted, aka "Layouts Handling Memory Corruption Vulnerability."
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
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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 (20 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 21.91% (0.21905) | 97.58th | v5 (v2026.06.15) |
| Jun 15, 2026 | 21.91% (0.21905) | 97.34th | v5 (v2026.06.15) |
| Dec 28, 2025 | 59.91% (0.59909) | 98.17th | v4 (v2025.03.14) |
| Dec 27, 2025 | 57.39% (0.57395) | 98.06th | v4 (v2025.03.14) |
| Oct 28, 2025 | 59.91% (0.59909) | 98.15th | v4 (v2025.03.14) |
| Oct 27, 2025 | 57.39% (0.57395) | 98.04th | v4 (v2025.03.14) |
| Oct 13, 2025 | 59.91% (0.59909) | 98.15th | v4 (v2025.03.14) |
| Oct 1, 2025 | 57.34% (0.57344) | 98.10th | v4 (v2025.03.14) |
| Mar 30, 2025 | 54.75% (0.54748) | 97.83th | v4 (v2025.03.14) |
| Mar 29, 2025 | 72.02% (0.72025) | 98.33th | v4 (v2025.03.14) |
| Mar 17, 2025 | 55.16% (0.55162) | 97.82th | v4 (v2025.03.14) |
| Dec 12, 2024 | 95.63% (0.95628) | 99.49th | v3 (v2023.03.01) |
| Apr 29, 2024 | 95.77% (0.95766) | 99.41th | v3 (v2023.03.01) |
| Jan 21, 2024 | 95.50% (0.95503) | 99.25th | v3 (v2023.03.01) |
| Dec 2, 2023 | 94.77% (0.94774) | 99.07th | v3 (v2023.03.01) |
| Oct 12, 2023 | 94.23% (0.94231) | 98.90th | v3 (v2023.03.01) |
| Aug 20, 2023 | 94.56% (0.94565) | 98.90th | v3 (v2023.03.01) |
| Mar 7, 2023 | 94.26% (0.94264) | 98.65th | v3 (v2023.03.01) |
| Mar 6, 2023 | 60.98% (0.60981) | 98.94th | v2 (v2022.01.01) |
| Feb 4, 2022 | 60.98% (0.60981) | 98.66th | v2 (v2022.01.01) |
References (5)
- http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=900 third-party-advisoryx_refsource_IDEFENSE
- http://www.securitytracker.com/id?1025327 vdb-entryx_refsource_SECTRACK
- http://www.us-cert.gov/cas/techalerts/TA11-102A.html third-party-advisoryx_refsource_CERTUS Government Resource
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-018 vendor-advisoryx_refsource_MS
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12463 vdb-entrysignaturex_refsource_OVAL
| Link | Providers | Tags |
|---|---|---|
| http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=900 | third-party-advisoryx_refsource_IDEFENSE | |
| http://www.securitytracker.com/id?1025327 | vdb-entryx_refsource_SECTRACK | |
| http://www.us-cert.gov/cas/techalerts/TA11-102A.html | third-party-advisoryx_refsource_CERTUS Government Resource | |
| https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-018 | vendor-advisoryx_refsource_MS | |
| https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12463 | vdb-entrysignaturex_refsource_OVAL |
Change history (0)
No recorded changes yet.