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CISA lists this Microsoft vulnerability as known exploited. Its MSRC release detail is outside this installation's collected history.
Microsoft SharePoint contains a missing authentication for critical function vulnerability that allows an unauthorized attacker to elevate privileges over a network.
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Listed in CISA KEV · added 14 Jul 2026 · Microsoft · SharePoint Server
Microsoft SharePoint contains a missing authentication for critical function vulnerability that allows an unauthorized attacker to elevate privileges over a network.
No EPSS score is available here for this CVE.
Saved 23 Oct 2026 16:01:26 UTC · View this risk record (JSON)
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cve-program · CVE-2026-56164 · Published
cve-program · CVE-2026-56164 · Published
cve-program · CVE-2026-56164 · Published
cve-program · CVE-2026-56164 · Published