Microsoft Internet Explorer 9 does not properly handle objects in memory, which allows remote attackers to execute arbitrary code by accessing a deleted object, aka "JScript9 Remote Code Execution Vulnerability."
Published Apr 10, 2012
9.3
HIGHCVSS 2.0
EPSS 30.42%
Description
Microsoft Internet Explorer 9 does not properly handle objects in memory, which allows remote attackers to execute arbitrary code by accessing a deleted object, aka "JScript9 Remote Code Execution Vulnerability."
Affected products
No data.
- 9
Running on/with
- n/a
- n/a
- n/a
- r2
- r2
- 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 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 (15 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 30.42% (0.30421) | 98.19th | v5 (v2026.06.15) |
| Jun 15, 2026 | 30.42% (0.30421) | 97.99th | v5 (v2026.06.15) |
| Mar 2, 2026 | 49.45% (0.49454) | 97.75th | v4 (v2025.03.14) |
| Mar 30, 2025 | 52.44% (0.52440) | 97.71th | v4 (v2025.03.14) |
| Mar 29, 2025 | 58.82% (0.58819) | 97.44th | v4 (v2025.03.14) |
| Mar 19, 2025 | 52.44% (0.52440) | 97.62th | v4 (v2025.03.14) |
| Mar 17, 2025 | 55.53% (0.55533) | 97.84th | v4 (v2025.03.14) |
| Jan 18, 2025 | 79.22% (0.79215) | 98.51th | v3 (v2023.03.01) |
| Dec 17, 2024 | 74.49% (0.74486) | 98.34th | v3 (v2023.03.01) |
| Aug 17, 2024 | 61.99% (0.61994) | 97.89th | v3 (v2023.03.01) |
| Jun 23, 2024 | 39.31% (0.39310) | 97.27th | v3 (v2023.03.01) |
| May 5, 2023 | 31.95% (0.31952) | 96.36th | v3 (v2023.03.01) |
| Mar 7, 2023 | 25.30% (0.25296) | 95.91th | v3 (v2023.03.01) |
| Mar 6, 2023 | 67.16% (0.67160) | 99.09th | v2 (v2022.01.01) |
| Feb 4, 2022 | 67.16% (0.67160) | 98.89th | v2 (v2022.01.01) |
References (7)
- http://osvdb.org/81127 vdb-entryx_refsource_OSVDBBroken Link
- http://www.securityfocus.com/bid/52902 vdb-entryx_refsource_BIDBroken LinkThird Party AdvisoryVDB Entry
- http://www.securitytracker.com/id?1026901 vdb-entryx_refsource_SECTRACKBroken LinkThird Party AdvisoryVDB Entry
- http://www.us-cert.gov/cas/techalerts/TA12-101A.html third-party-advisoryx_refsource_CERTThird Party AdvisoryUS Government Resource
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2012/ms12-023 vendor-advisoryx_refsource_MSPatchVendor Advisory
- https://exchange.xforce.ibmcloud.com/vulnerabilities/74380 vdb-entryx_refsource_XFThird Party AdvisoryVDB Entry
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A15611 vdb-entrysignaturex_refsource_OVALTool Signature
| Link | Providers | Tags |
|---|---|---|
| http://osvdb.org/81127 | vdb-entryx_refsource_OSVDBBroken Link | |
| http://www.securityfocus.com/bid/52902 | vdb-entryx_refsource_BIDBroken LinkThird Party AdvisoryVDB Entry | |
| http://www.securitytracker.com/id?1026901 | vdb-entryx_refsource_SECTRACKBroken LinkThird Party AdvisoryVDB Entry | |
| http://www.us-cert.gov/cas/techalerts/TA12-101A.html | third-party-advisoryx_refsource_CERTThird Party AdvisoryUS Government Resource | |
| https://docs.microsoft.com/en-us/security-updates/securitybulletins/2012/ms12-023 | vendor-advisoryx_refsource_MSPatchVendor Advisory | |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/74380 | vdb-entryx_refsource_XFThird Party AdvisoryVDB Entry | |
| https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A15611 | vdb-entrysignaturex_refsource_OVALTool Signature |
Change history (0)
No recorded changes yet.