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  "path": "/news/security/cisa-orders-feds-to-patch-microsoft-defender-flaw-exploited-in-zero-day-attacks/",
  "publishedAt": "2026-04-23T11:05:57.000Z",
  "site": "https://www.bleepingcomputer.com",
  "tags": [
    "Security",
    "Microsoft"
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  "textContent": "CISA has ordered U.S. federal agencies to patch a Microsoft Defender privilege escalation flaw (dubbed BlueHammer) that has been exploited in zero-day attacks. [...]",
  "title": "CISA orders feds to patch BlueHammer flaw exploited as zero-day"
}