{"cve":"CVE-2010-3971","nvd":{"published":"2010-12-22T21:00:17.723","modified":"2026-06-16T23:23:55.010","status":"Modified","description":"Use-after-free vulnerability in the CSharedStyleSheet::Notify function in the Cascading Style Sheets (CSS) parser in mshtml.dll, as used in Microsoft Internet Explorer 6 through 8 and other products, allows remote attackers to execute arbitrary code or cause a denial of service (application crash) via a self-referential @import rule in a stylesheet, aka \"CSS Memory Corruption Vulnerability.\"","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-399"],"references":["http://blogs.technet.com/b/srd/archive/2011/01/07/assessing-the-risk-of-public-issues-currently-being-tracked-by-the-msrc.aspx","http://seclists.org/fulldisclosure/2010/Dec/110","http://secunia.com/advisories/42510","http://support.avaya.com/css/P8/documents/100127294","http://www.breakingpointsystems.com/community/blog/ie-vulnerability/"],"products":["microsoft:internet_explorer"],"source":"nvd","synced_at":"2026-10-19T19:57:56.749847046+00:00"},"epss":{"cve":"CVE-2010-3971","score":0.81663,"percentile":0.99642,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}