{"cve":"CVE-2007-1531","nvd":{"published":"2007-03-20T20:19:00.000","modified":"2026-06-16T22:37:46.300","status":"Modified","description":"Microsoft Windows XP and Vista overwrites ARP table entries included in gratuitous ARP, which allows remote attackers to cause a denial of service (loss of network access) by sending a gratuitous ARP for the address of the Vista host.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-399"],"references":["http://osvdb.org/33664","http://www.securityfocus.com/archive/1/462793/100/0/threaded","http://www.securityfocus.com/archive/1/464617/100/0/threaded","http://www.securityfocus.com/bid/23266","http://www.symantec.com/avcenter/reference/Vista_Network_Attack_Surface_RTM.pdf"],"products":["microsoft:windows_vista","microsoft:windows_xp"],"source":"nvd","synced_at":"2026-10-19T19:44:49.019236172+00:00"},"epss":{"cve":"CVE-2007-1531","score":0.23486,"percentile":0.97796,"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."]}