# CVE-2010-3962

Use-after-free vulnerability in Microsoft Internet Explorer 6, 7, and 8 allows remote attackers to execute arbitrary code via vectors related to Cascading Style Sheets (CSS) token sequences and the clip attribute, aka an "invalid flag reference" issue or "Uninitialized Memory Corruption Vulnerability," as exploited in the wild in November 2010.

- Page: https://www.vulneraibility.com/cve/CVE-2010-3962
- CVSS: 8.1
- Known exploited: yes, in CISA KEV since 2025-10-06; CISA due date 2025-10-27
- EPSS: 96.83%
- Public exploit code: 3 on Exploit-DB · 1 Metasploit module (first 2010-11-04)
- CISA SSVC: exploitation active, automatable yes, technical impact total (assessed 2025-10-04)
- Weakness: CWE-416
- Published: 2010-11-05

## Affected

- microsoft:internet_explorer

## References

- [other] http://www.securityfocus.com/bid/44536
- [advisory] http://www.us-cert.gov/cas/techalerts/TA10-348A.html
- [advisory] https://docs.microsoft.com/en-us/security-updates/securitybulletins/2010/ms10-090
- [advisory] http://www.kb.cert.org/vuls/id/899748
- [advisory] http://secunia.com/advisories/42091
- [other] http://www.vupen.com/english/advisories/2010/2880
- [other] http://www.microsoft.com/technet/security/advisory/2458511.mspx
- [other] http://www.securitytracker.com/id?1024676
- [exploit] http://www.exploit-db.com/exploits/15421
- [other] http://www.symantec.com/connect/blogs/new-ie-0-day-used-targeted-attacks
- [other] https://exchange.xforce.ibmcloud.com/vulnerabilities/62962
- [other] http://blogs.technet.com/b/msrc/archive/2010/11/02/microsoft-releases-security-advisory-2458511.aspx
- [other] https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12279
- [exploit] http://www.exploit-db.com/exploits/15418
- [other] https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2010-3962

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Summary, impact and action are written by the vulneraibility.com AI analysis pipeline from the CVE record, NVD, CISA and FIRST data; verify against the references.