CVE-2026-62827: CWE-287: Improper Authentication in Microsoft Microsoft SharePoint Enterprise Server 2016
Improper authentication in Microsoft Office SharePoint allows an authorized attacker to elevate privileges over a network.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-62827) in Microsoft SharePoint Enterprise Server 2016 is classified as CWE-287: Improper Authentication. It enables an attacker with some level of authorization to escalate privileges remotely over the network. The CVSS 3.1 vector indicates it requires low attack complexity, no user interaction, and affects confidentiality, integrity, and availability with high impact. Microsoft has published an official fix to remediate this vulnerability.
Potential Impact
An attacker who is already authorized on the network can exploit this vulnerability to elevate their privileges, potentially gaining higher access rights than intended. This can lead to full compromise of the affected SharePoint server, impacting confidentiality, integrity, and availability of data and services.
Mitigation Recommendations
Microsoft has released an official fix for this vulnerability. It is recommended to apply the security update provided by Microsoft for SharePoint Enterprise Server 2016 version 16.0.0 as soon as possible to remediate this issue.
CVE-2026-62827: CWE-287: Improper Authentication in Microsoft Microsoft SharePoint Enterprise Server 2016
Description
Improper authentication in Microsoft Office SharePoint allows an authorized attacker to elevate privileges over a network.
CVSS v3.1
Score 8.8high
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-62827) in Microsoft SharePoint Enterprise Server 2016 is classified as CWE-287: Improper Authentication. It enables an attacker with some level of authorization to escalate privileges remotely over the network. The CVSS 3.1 vector indicates it requires low attack complexity, no user interaction, and affects confidentiality, integrity, and availability with high impact. Microsoft has published an official fix to remediate this vulnerability.
Potential Impact
An attacker who is already authorized on the network can exploit this vulnerability to elevate their privileges, potentially gaining higher access rights than intended. This can lead to full compromise of the affected SharePoint server, impacting confidentiality, integrity, and availability of data and services.
Mitigation Recommendations
Microsoft has released an official fix for this vulnerability. It is recommended to apply the security update provided by Microsoft for SharePoint Enterprise Server 2016 version 16.0.0 as soon as possible to remediate this issue.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-07-14T21:10:38.082Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-62827","vendor":"Microsoft"}]
Threat ID: 6a7b581cbf8831d539156075
Added to database: 08/11/2026, 17:13:00 UTC
Last enriched: 08/11/2026, 21:13:55 UTC
Last updated: 08/12/2026, 02:21:18 UTC
Views: 5
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