CVE-2026-69464Network attack vector

Authenticated privilege escalation

Published Sep 8, 2026 · Updated Sep 9, 2026

Privilege mismanagement in Microsoft SharePoint Server Subscription Edition allows remote authenticated users to elevate privileges. Microsoft identifies execution with unnecessary privileges as the weakness but has not disclosed the affected code path or unsafe operation. Network access through an authorized SharePoint account is required; the resulting privilege level and permitted actions are not publicly specified.

CVSS severity8.8
High
EPSS probability0.92%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Privilege mismanagement in Microsoft SharePoint Server Subscription Edition allows remote authenticated users to elevate privileges. Microsoft identifies execution with unnecessary privileges as the weakness but has not disclosed the affected code path or unsafe operation. Network access through an authorized SharePoint account is required; the resulting privilege level and permitted actions are not publicly specified.

The record

CVE
CVE-2026-69464
Published
Sep 8, 2026
Updated
Sep 9, 2026
Vendor
Microsoft
Product
Microsoft SharePoint Server Subscription Edition
Classifications
CWE-250, CAPEC-69, CAPEC-104, CAPEC-470, T1068
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Sep 8, 2026CVE publishedPublication date reported by the CVE source.
  2. Sep 9, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=16.0.0 <16.0.20326.20090

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Microsoft · Microsoft SharePoint Server Subscription Editionversion=16.0.0 <16.0.20326.20090

Published CVSS scores

8.8MicrosoftCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-250Execution with Unnecessary Privileges
CAPEC-69Target Programs with Elevated Privileges
CAPEC-104Cross Zone Scripting
CAPEC-470Expanding Control over the Operating System from the Database
T1068Exploitation for Privilege Escalation

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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