CVE-2026-69464: CWE-250: Execution with Unnecessary Privileges in Microsoft Microsoft SharePoint Server Subscription Edition
Description
CVE-2026-69464 is a high-severity vulnerability in Microsoft SharePoint Server Subscription Edition that allows an authorized attacker to execute code with unnecessary privileges, resulting in privilege escalation over a network. The issue affects versions from 16.0.0 up to but not including 16.0.20326.20090. Microsoft has released an official fix to address this vulnerability.
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, classified as CWE-250 (Execution with Unnecessary Privileges), exists in Microsoft SharePoint Server Subscription Edition. It enables an authorized attacker to elevate their privileges over a network by executing code with higher privileges than necessary. The CVSS 3.1 base score is 8.8, indicating a high impact on confidentiality, integrity, and availability. The vulnerability affects versions >=16.0.0 and <16.0.20326.20090. Microsoft has published an official advisory and provided a patch to remediate the issue.
Potential Impact
Successful exploitation allows an authorized attacker to elevate privileges, potentially leading to full compromise of the affected SharePoint server, impacting confidentiality, integrity, and availability of data and services.
Mitigation Recommendations
An official fix is available from Microsoft. Administrators should apply the patch provided in the Microsoft Security Response Center advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69464 to remediate this vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-08-03T21:03:33.032Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69464","vendor":"Microsoft"}]
Threat ID: 6aa044fdacd9273b49fa80d8
Added to database: 09/08/2026, 17:25:17 UTC
Last enriched: 10/16/2026, 20:40:58 UTC
Last updated: 10/23/2026, 15:10:14 UTC
Views: 41
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