Microsoft Defender Denial of Service Vulnerability

概要

参考情報

• msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45498 · Vendor Advisory
• cisa.gov/known-exploited-vulnerabilities-catalog · Third Party Advisory
• CISA KEV · CVE-2026-45498

defender antimalware platform のその他の脆弱性

• CVE-2026-33825高 7.8悪用確認済み（CISA KEV）Insufficient granularity of access control in Microsoft Defender allows an authorized attacker to elevate privileges locally.