Use-after-free vulnerability in the CAttrArray::PrivateFind function in mshtml.dll in Microsoft Internet Explorer 6 through 8 allows remote attackers to execute arbitrary code by setting an unspecified property of a stylesheet object, aka "Uninitialized Memory Corruption Vulnerability."
Conclusion & alert: CVE-2010-3328 is rated High Risk (68.8/100): CVSS High severity, with high exploitation likelihood (EPSS 54.76%, 98th percentile). Core evidence: EPSS ranks this CVE among the most likely to be exploited in the near term. Mandatory action: High exploitation likelihood—assess exposure and prioritize remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2025-12-28 | 55.39% | 54.76% | -0.64% |
| 2 | 2025-12-27 | 54.76% | 55.39% | +0.64% |
| 3 | 2025-10-28 | — | 54.76% | — |
Full EPSS history (28 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 8.8 | 3.1 | HIGH |
|
2.8 | 5.9 | [email protected] |
| 9.3 | 2.0 | HIGH |
|
8.6 | 10.0 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| microsoft | internet_explorer | 6 | cpe:2.3:a:microsoft:internet_explorer:6:*:*:*:*:*:*:* |
| microsoft | internet_explorer | 7 | cpe:2.3:a:microsoft:internet_explorer:7:*:*:*:*:*:*:* |
| microsoft | internet_explorer | 8 | cpe:2.3:a:microsoft:internet_explorer:8:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| http://support.avaya.com/css/P8/documents/100113324 | Third Party Advisory |
| http://www.securityfocus.com/bid/43705 | Broken Link Third Party Advisory VDB Entry |
| http://www.us-cert.gov/cas/techalerts/TA10-285A.html | Third Party Advisory US Government Resource |
| http://www.zerodayinitiative.com/advisories/ZDI-10-197/ | Third Party Advisory VDB Entry |
| https://docs.microsoft.com/en-us/security-updates/securitybulletins/2010/ms10-071 | Patch Vendor Advisory |
| https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A7059 | Broken Link |