{"uuid": "8c630595-9a28-4bb5-ab32-54bfeaffef1e", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "cve-2026-56191", "type": "seen", "source": "https://infosec.exchange/users/offseq/statuses/116973071665205351", "content": "CVE-2026-56191: CRITICAL improper authentication in Microsoft Exchange Online (CVSS 10). Remote, unauthenticated attackers can tamper with systems. Official fix available \u2014 patch ASAP. Details: https://radar.offseq.com/threat/cve-2026-56191-cwe-287-improper-authentication-in-microsoft-microsoft-exchange-online-2fb5560625ca8222 #OffSeq #CVE202656191 #ExchangeOnline #Vuln", "creation_timestamp": "2026-07-24T04:30:27.233375Z"}