Microsoft Internet Explorer 7 and 8 does not properly handle objects in memory, which allows remote attackers to execute arbitrary code by accessing an object that (1) was not properly initialized or (2) is deleted, leading to memory corruption, aka "Uninitialized Memory Corruption Vulnerability."
Published Dec 9, 2009
9.3
HIGHCVSS 2.0
EPSS 25.35%
Description
Microsoft Internet Explorer 7 and 8 does not properly handle objects in memory, which allows remote attackers to execute arbitrary code by accessing an object that (1) was not properly initialized or (2) is deleted, leading to memory corruption, aka "Uninitialized Memory Corruption Vulnerability."
Affected products
No data.
Configuration 1
- 5.0.1
- n/a
Configuration 2
- 6
- n/a
Configuration 3
- 6
- n/a
- n/a
- n/a
- n/a
Configuration 4
- 7
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
Configuration 5
- 8
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- 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 (33 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 25.35% (0.25350) | 97.88th | v5 (v2026.06.15) |
| Jun 15, 2026 | 25.35% (0.25350) | 97.66th | v5 (v2026.06.15) |
| Apr 30, 2026 | 52.99% (0.52985) | 97.97th | v4 (v2025.03.14) |
| Dec 28, 2025 | 55.40% (0.55399) | 97.96th | v4 (v2025.03.14) |
| Dec 27, 2025 | 57.32% (0.57317) | 98.05th | v4 (v2025.03.14) |
| Oct 28, 2025 | 55.40% (0.55399) | 97.94th | v4 (v2025.03.14) |
| Oct 27, 2025 | 57.32% (0.57317) | 98.03th | v4 (v2025.03.14) |
| Oct 1, 2025 | 55.40% (0.55399) | 98.01th | v4 (v2025.03.14) |
| Mar 30, 2025 | 57.32% (0.57317) | 97.96th | v4 (v2025.03.14) |
| Mar 29, 2025 | 63.72% (0.63717) | 97.77th | v4 (v2025.03.14) |
| Mar 17, 2025 | 57.32% (0.57317) | 97.92th | v4 (v2025.03.14) |
| Mar 4, 2025 | 29.56% (0.29564) | 97.00th | v3 (v2023.03.01) |
| Jan 28, 2025 | 36.62% (0.36616) | 97.23th | v3 (v2023.03.01) |
| Dec 22, 2024 | 46.75% (0.46746) | 97.52th | v3 (v2023.03.01) |
| Nov 15, 2024 | 49.94% (0.49935) | 97.62th | v3 (v2023.03.01) |
| Jul 19, 2024 | 51.22% (0.51219) | 97.59th | v3 (v2023.03.01) |
| Jun 8, 2024 | 58.43% (0.58426) | 97.74th | v3 (v2023.03.01) |
| Apr 27, 2024 | 65.64% (0.65644) | 97.87th | v3 (v2023.03.01) |
| Jan 27, 2024 | 80.41% (0.80405) | 98.05th | v3 (v2023.03.01) |
| Oct 28, 2023 | 82.02% (0.82022) | 98.02th | v3 (v2023.03.01) |
| Sep 14, 2023 | 84.53% (0.84532) | 98.06th | v3 (v2023.03.01) |
| Aug 2, 2023 | 88.73% (0.88734) | 98.25th | v3 (v2023.03.01) |
| May 7, 2023 | 89.75% (0.89750) | 98.22th | v3 (v2023.03.01) |
| Mar 25, 2023 | 89.63% (0.89627) | 98.16th | v3 (v2023.03.01) |
| Mar 7, 2023 | 90.40% (0.90397) | 98.19th | v3 (v2023.03.01) |
| Mar 6, 2023 | 42.45% (0.42445) | 98.29th | v2 (v2022.01.01) |
| Jan 7, 2023 | 42.45% (0.42445) | 98.26th | v2 (v2022.01.01) |
| Nov 3, 2022 | 45.14% (0.45143) | 98.31th | v2 (v2022.01.01) |
| Aug 30, 2022 | 49.70% (0.49704) | 98.55th | v2 (v2022.01.01) |
| Jul 18, 2022 | 56.37% (0.56371) | 98.75th | v2 (v2022.01.01) |
| Jul 17, 2022 | 6.31% (0.06309) | 90.50th | v2 (v2022.01.01) |
| Apr 17, 2022 | 56.37% (0.56371) | 98.68th | v2 (v2022.01.01) |
| Feb 4, 2022 | 58.31% (0.58315) | 98.56th | v2 (v2022.01.01) |
References (4)
- http://www.securitytracker.com/id?1023293 vdb-entryx_refsource_SECTRACK
- http://www.us-cert.gov/cas/techalerts/TA09-342A.html third-party-advisoryx_refsource_CERTUS Government Resource
- 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%3A6519 vdb-entrysignaturex_refsource_OVAL
| Link | Providers | Tags |
|---|---|---|
| http://www.securitytracker.com/id?1023293 | vdb-entryx_refsource_SECTRACK | |
| http://www.us-cert.gov/cas/techalerts/TA09-342A.html | third-party-advisoryx_refsource_CERTUS Government Resource | |
| 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%3A6519 | vdb-entrysignaturex_refsource_OVAL |
Change history (0)
No recorded changes yet.