{"cve":"CVE-1999-0723","nvd":{"published":"1999-06-23T04:00:00.000","modified":"2026-06-16T21:48:55.320","status":"Modified","description":"The Windows NT Client Server Runtime Subsystem (CSRSS) can be subjected to a denial of service when all worker threads are waiting for user input.","cvss_v4":null,"cvss_v3":null,"cwes":[],"references":["http://support.microsoft.com/default.aspx?scid=kb%3B%5BLN%5D%3BQ233323","http://www.ciac.org/ciac/bulletins/j-049.shtml","http://www.securityfocus.com/bid/478","https://docs.microsoft.com/en-us/security-updates/securitybulletins/1999/ms99-021","http://support.microsoft.com/default.aspx?scid=kb%3B%5BLN%5D%3BQ233323"],"products":["microsoft:windows_2000","microsoft:windows_nt"],"source":"nvd","synced_at":"2026-10-19T19:33:01.030757803+00:00"},"epss":{"cve":"CVE-1999-0723","score":0.07298,"percentile":0.94369,"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."]}