Integer overflow in Microsoft Internet Explorer 8 and 9, JScript 5.8, and VBScript 5.8 on 64-bit platforms allows remote attackers to execute arbitrary code by leveraging an incorrect size calculation during object copying, aka "JavaScript Integer Overflow Remote Code Execution Vulnerability."
Published Aug 15, 2012
9.3
HIGHCVSS 2.0
EPSS 22.18%
Description
Integer overflow in Microsoft Internet Explorer 8 and 9, JScript 5.8, and VBScript 5.8 on 64-bit platforms allows remote attackers to execute arbitrary code by leveraging an incorrect size calculation during object copying, aka "JavaScript Integer Overflow Remote Code Execution Vulnerability."
Affected products
No data.
- 8
- 9
- 5.8
- 5.8
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 (15 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 22.18% (0.22184) | 97.61th | v5 (v2026.06.15) |
| Jun 15, 2026 | 22.18% (0.22184) | 97.37th | v5 (v2026.06.15) |
| Mar 30, 2025 | 64.66% (0.64663) | 98.32th | v4 (v2025.03.14) |
| Mar 29, 2025 | 75.75% (0.75747) | 98.58th | v4 (v2025.03.14) |
| Mar 17, 2025 | 65.02% (0.65019) | 98.32th | v4 (v2025.03.14) |
| Dec 22, 2024 | 89.20% (0.89199) | 98.99th | v3 (v2023.03.01) |
| Dec 17, 2024 | 91.51% (0.91511) | 99.14th | v3 (v2023.03.01) |
| Dec 12, 2024 | 85.40% (0.85397) | 98.65th | v3 (v2023.03.01) |
| Jul 11, 2024 | 86.24% (0.86240) | 98.61th | v3 (v2023.03.01) |
| Mar 15, 2024 | 82.04% (0.82037) | 98.29th | v3 (v2023.03.01) |
| Sep 8, 2023 | 85.34% (0.85339) | 98.11th | v3 (v2023.03.01) |
| Jul 5, 2023 | 81.53% (0.81531) | 97.87th | v3 (v2023.03.01) |
| Mar 7, 2023 | 78.91% (0.78913) | 97.68th | v3 (v2023.03.01) |
| Mar 6, 2023 | 58.31% (0.58315) | 98.87th | v2 (v2022.01.01) |
| Feb 4, 2022 | 58.31% (0.58315) | 98.56th | v2 (v2022.01.01) |
References (4)
- http://www.us-cert.gov/cas/techalerts/TA12-227A.html third-party-advisoryx_refsource_CERTThird Party AdvisoryUS Government Resource
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2012/ms12-052 vendor-advisoryx_refsource_MS
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2012/ms12-056 vendor-advisoryx_refsource_MS
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A15790 vdb-entrysignaturex_refsource_OVAL
| Link | Providers | Tags |
|---|---|---|
| http://www.us-cert.gov/cas/techalerts/TA12-227A.html | third-party-advisoryx_refsource_CERTThird Party AdvisoryUS Government Resource | |
| https://docs.microsoft.com/en-us/security-updates/securitybulletins/2012/ms12-052 | vendor-advisoryx_refsource_MS | |
| https://docs.microsoft.com/en-us/security-updates/securitybulletins/2012/ms12-056 | vendor-advisoryx_refsource_MS | |
| https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A15790 | vdb-entrysignaturex_refsource_OVAL |
Change history (0)
No recorded changes yet.