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cve 2026 55040

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    CVE-2026-55040: Patch Critical SharePoint Server Auth Bypass

    Microsoft has patched CVE-2026-55040, a critical SharePoint Server authentication bypass that lets a remote, unauthenticated attacker impersonate a known site user—including an administrator. The flaw carries a CVSS 3.1 score of 9.1 and affects on-premises SharePoint Server 2016, SharePoint...
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    • cve 2026 55040 microsoft security patch management sharepoint server
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    • Forum: Security Alerts
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