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CVE-2012-2523
Integer overflow in Microsoft Internet Explorer 8 and 9, JScript 5.8, and VBScript 5.8 on 64-bit platforms allows remote attackers to…
High9.3EPSS 22.2%
- Published
- Updated
- Reserved
- Assigned by
- microsoft
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."
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | High9.3 | AV:N/AC:M/Au:N/C:C/I:C/A:C |
- EPSS (exploitation in 30 days)
- 22.2% · top 2.3% of all CVEs (3 Nov 2026)
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The list uses the assigner's score when there is one, then CISA's, then NVD's: High 9.3.
Weakness
Affected products
n/a
- affected n/a
References (4)
- MS12-052 (opens in a new tab)vendor-advisoryx_refsource_MSx_transferred
- MS12-056 (opens in a new tab)vendor-advisoryx_refsource_MSx_transferred
- TA12-227A (opens in a new tab)third-party-advisoryx_refsource_CERTx_transferred
- oval:org.mitre.oval:def:15790 (opens in a new tab)vdb-entrysignaturex_refsource_OVALx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2012-2523)Record last updated .