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CVE-2026-88164Unrated

Microsoft Office SharePoint Elevation of Privilege Vulnerability

MSRC advisory NVD CVE.org

Assessment

Missing authorization in Microsoft Office SharePoint allows an authorized attacker to elevate privileges over a network.

Severity
Unrated
CVSS base score
Not published
Impact
Not stated
EPSS, next 30 days
Not scored yet
Public exploit code
No Nuclei template lists it
Exploitability
Exploitation Less Likely
Publicly disclosed
No
Customer action
Required: apply the update
Component
Microsoft Office SharePoint
Weakness
CWE-862: Missing Authorization
Issued by
Microsoft
Published
13 Oct 2026 · October 2026
Last revised
13 Oct 2026

Updates that fix it

0 KBs

No KB listed

MSRC lists no downloadable update, which usually means a service-side fix or a release-notes update. Check the MSRC advisory.

What changed

First observed 14 Oct 2026

No field changes in the recorded history.

Cite this recorded revision to keep the same title, summary, facts and links when the page changes.

A day selects the latest observation by the end of that UTC day; today's selection can change until midnight. History starts when this installation records it.

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 read 14 Oct 15:58 UTC · 254 of 255 readable · 253 fully read · documentation 0/409 current

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