CVE-2026-69282: CWE-284: Improper Access Control in Microsoft Microsoft SharePoint Server Subscription Edition
Description
CVE-2026-69282 is a high-severity vulnerability in Microsoft SharePoint Server Subscription Edition involving improper access control. It allows an authorized attacker with network access to execute code remotely without user interaction. The vulnerability affects versions from 16.0.0 up to but not including 16.0.20326.20090. 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 (CVE-2026-69282) in Microsoft SharePoint Server Subscription Edition is classified as CWE-284 (Improper Access Control). It enables an attacker with legitimate privileges to execute arbitrary code over a network. The CVSS 3.1 base score is 8.8, indicating high impact on confidentiality, integrity, and availability. The affected versions are >=16.0.0 and <16.0.20326.20090. Microsoft has published an official fix to address this issue.
Potential Impact
An authorized attacker can exploit this vulnerability remotely to execute arbitrary code on the affected SharePoint server. This can lead to full compromise of confidentiality, integrity, and availability of the system. There are no known exploits in the wild at this time.
Mitigation Recommendations
An official fix is available from Microsoft. Users should apply the security update for Microsoft SharePoint Server Subscription Edition to versions 16.0.20326.20090 or later as soon as possible. No additional mitigation steps are indicated by the vendor advisory.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-08-03T20:44:03.598Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69282","vendor":"Microsoft"}]
Threat ID: 6aa044ddacd9273b49fa7d7f
Added to database: 09/08/2026, 17:24:45 UTC
Last enriched: 10/16/2026, 20:59:45 UTC
Last updated: 10/23/2026, 15:10:14 UTC
Views: 25
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