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Recorded 23 Oct 2026 at 08:31 UTC. This is what ChangeIntel recorded, including the title, summary, facts and links. It is not a statement of the source's current position. See the latest record.

Microsoft SharePoint Server Missing Authentication for Critical Function Vulnerability

Microsoft SharePoint contains a missing authentication for critical function vulnerability that allows an unauthorized attacker to elevate privileges over a network.

What it said

CVE
CVE-2026-56164
Vendor
Microsoft
Product
SharePoint Server
CISA KEV
Listed 14 Jul 2026
Known ransomware use
Not stated
Federal remediation due
17 Jul 2026

Source evidence when recorded

CISA KEV
IncompleteRead 23 Oct 2026 at 08:14 UTC

Coverage describes the sources at this observation. A complete read then does not establish their current position.

Page history

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Field-level log (1)

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  1. 23 Oct 2026 · 08:31:50 UTC Source coverage: cisa-kevCurrent → Incomplete
ChangeIntel

An IT change radar: releases, security, known issues, retirements, documentation changes, and service status from public sources. Every item links to supporting evidence; dates and statuses can change after they are read.

Sources last checked 14 Nov 22:31 UTC · 256 of 275 readable · 254 fully read · checking again after a restart · documentation 469/469 current