cve 2026 45501

  1. CVE-2026-45501 Exchange Spoofing: Patch Tuesday Guidance and Action Steps

    CVE-2026-45501 is an Important-rated Microsoft Exchange Server spoofing vulnerability disclosed in Microsoft’s June 9, 2026 security updates, affecting on-premises Exchange Server and arriving alongside a broader Exchange patch set that also includes spoofing, information-disclosure...
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