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  "path": "/news/microsoft/microsoft-warns-of-exchange-zero-day-flaw-exploited-in-attacks/",
  "publishedAt": "2026-05-15T09:40:42.000Z",
  "site": "https://www.bleepingcomputer.com",
  "tags": [
    "Microsoft",
    "Security"
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  "textContent": "On Thursday, Microsoft shared mitigations for a high-severity Exchange Server vulnerability exploited in attacks that allow threat actors to execute arbitrary code via cross-site scripting (XSS) while targeting Outlook on the web users. [...]",
  "title": "Microsoft warns of Exchange zero-day flaw exploited in attacks"
}