MSCVE Microsoft Defender Denial of Service Vulnerability_MS:CVE-2026-45498 May 19, 2026 invoker category_news Visit Original Source Basic Information ID MS:CVE-2026-45498 Published May 19, 2026 at 14:00 Raw JSON Data Copy JSON { "lastseen": "2026-05-20T01:15:30", "description": "", "published": "2026-05-19T14:00:00", "modified": "2026-05-19T14:00:00", "type": "mscve", "title": "Microsoft Defender Denial of Service Vulnerability", "source": "", "references": "", "id": "MS:CVE-2026-45498", "bulletinFamily": "microsoft", "cwe": null, "cvelist": [ "CVE-2026-45498" ], "sourceData": "", "sourceHref": "", "cvss": { "score": 0, "severity": "NONE", "vector": "NONE", "version": "NONE" }, "cvss2": [], "cvss3": { "version": "", "vectorString": "", "baseScore": 0, "baseSeverity": "", "attackVector": "", "attackComplexity": "", "privilegesRequired": "", "userInteraction": "", "scope": "", "confidentialityImpact": "", "integrityImpact": "", "availabilityImpact": "", "cvssV3": { "version": "", "vectorString": "", "baseScore": 0, "baseSeverity": "", "attackVector": "", "attackComplexity": "", "privilegesRequired": "", "userInteraction": "", "scope": "", "confidentialityImpact": "", "integrityImpact": "", "availabilityImpact": "" } }, "href": "https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2026-45498", "category_name": "News", "post_link": "", "product": "", "version": "", "vendor": "", "ai_description": "", "ai_severity": "", "ai_vendor": "", "ai_product": "", "ai_version": "", "ai_score": 0 }