CVE-2026-69268: CWE-284: Improper Access Control in Microsoft Microsoft SharePoint Server Subscription Edition
Description
CVE-2026-69268 is an improper access control vulnerability in Microsoft SharePoint Server Subscription Edition that allows an authorized attacker to execute code remotely over a network. The vulnerability affects versions from 16.0.0 up to but not including 16.0.20326.20090. It has a high severity with a CVSS score of 8.8. An official fix is available from Microsoft.
CVSS v3.1
Score 8.8high
Affected software
Microsoft
Microsoft SharePoint Server Subscription Edition
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability, identified as CWE-284 (Improper Access Control), exists in Microsoft SharePoint Server Subscription Edition. It allows an attacker with authorized access to execute arbitrary code remotely over the network. The affected versions are those starting from 16.0.0 up to but excluding 16.0.20326.20090. Microsoft has published an official fix to address this issue. The CVSS 3.1 base score is 8.8, indicating high impact on confidentiality, integrity, and availability.
Potential Impact
An authorized attacker can exploit this vulnerability to execute arbitrary code remotely, potentially leading to full compromise of the affected SharePoint server. The impact includes complete loss of confidentiality, integrity, and availability of the system.
Mitigation Recommendations
An official fix is available from Microsoft. Users should apply the security update provided by Microsoft for SharePoint Server Subscription Edition to remediate this vulnerability. Refer to the Microsoft Security Response Center advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69268 for detailed patch information and update instructions.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-08-03T20:44:03.596Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69268","vendor":"Microsoft"}]
Threat ID: 6aa044dbacd9273b49fa7d02
Added to database: 09/08/2026, 17:24:43 UTC
Last enriched: 10/16/2026, 20:58:32 UTC
Last updated: 10/22/2026, 01:15:25 UTC
Views: 31
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