{"cve":"CVE-2011-1961","nvd":{"published":"2011-08-10T21:55:01.343","modified":"2026-06-16T23:30:30.007","status":"Modified","description":"The telnet URI handler in Microsoft Internet Explorer 6 through 9 does not properly launch the handler application, which allows remote attackers to execute arbitrary programs via a crafted web site, aka \"Telnet Handler Remote Code Execution Vulnerability.\"","cvss_v4":null,"cvss_v3":null,"cwes":[],"references":["http://jvn.jp/en/jp/JVN80404511/index.html","http://jvndb.jvn.jp/ja/contents/2011/JVNDB-2011-000060.html","http://www.us-cert.gov/cas/techalerts/TA11-221A.html","https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-057","https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12684"],"products":["microsoft:internet_explorer"],"source":"nvd","synced_at":"2026-10-19T19:58:50.521460154+00:00"},"epss":{"cve":"CVE-2011-1961","score":0.34208,"percentile":0.98404,"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."]}