{"cve":"CVE-2010-1885","nvd":{"published":"2010-06-15T14:04:23.530","modified":"2026-06-16T23:19:31.510","status":"Modified","description":"The MPC::HexToNum function in helpctr.exe in Microsoft Windows Help and Support Center in Windows XP and Windows Server 2003 does not properly handle malformed escape sequences, which allows remote attackers to bypass the trusted documents whitelist (fromHCP option) and execute arbitrary commands via a crafted hcp:// URL, aka \"Help Center URL Validation Vulnerability.\"","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-78"],"references":["http://archives.neohapsis.com/archives/fulldisclosure/2010-06/0197.html","http://blogs.technet.com/b/msrc/archive/2010/06/10/windows-help-vulnerability-disclosure.aspx","http://blogs.technet.com/b/srd/archive/2010/06/10/help-and-support-center-vulnerability-full-disclosure-posting.aspx","http://secunia.com/advisories/40076","http://www.exploit-db.com/exploits/13808"],"products":["microsoft:windows_2003_server","microsoft:windows_server_2003","microsoft:windows_xp"],"source":"nvd","synced_at":"2026-10-19T19:56:26.512081652+00:00"},"epss":{"cve":"CVE-2010-1885","score":0.71148,"percentile":0.99408,"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."]}