Incident Score: Analysis & Impact (MIC1784643940)
The details regarding individual company incidents & reports gives you full view from every side.
Rankiteo Score Impact Analysis
Key Highlights From The Incident Analysis
- Timeline of Microsoft_SharePoint's Vulnerability and lateral movement inside company's environment.
- Overview of affected data sets, including SSNs and PHI, and why they materially increase incident severity.
- How Rankiteo’s incident engine converts technical details into a normalized incident score.
- How this cyber incident impacts Microsoft_SharePoint Rankiteo cyber scoring and cyber rating.
- Rankiteo’s MITRE ATT&CK correlation analysis for this incident, with associated confidence level.
Full Incident Analysis Transcript
In this Rankiteo incident briefing, we review the Microsoft_SharePoint breach identified under incident ID MIC1784643940.
The analysis begins with a detailed overview of Microsoft_SharePoint's information like the linkedin page: https://www.linkedin.com/company/microsoft_sharepoint, the number of followers: 0, the industry type: Software Development and the number of employees: None employees
After the initial compromise, the video explains how Rankiteo's incident engine converts technical details into a normalized incident score. The incident score before the incident was 757 and after the incident was 747 with a difference of -10 which is could be a good indicator of the severity and impact of the incident.
In the next step of the video, we will analyze in more details the incident and the impact it had on Microsoft_SharePoint and their customers.
Microsoft SharePoint Enterprise Server 2016 recently reported "Critical SharePoint RCE Vulnerability (CVE-2026-50522) Exposes Enterprises to Unauthenticated Attacks", a noteworthy cybersecurity incident.
A newly disclosed critical vulnerability, CVE-2026-50522, enables unauthenticated remote code execution (RCE) on on-premises Microsoft SharePoint servers, posing a severe risk to enterprise environments.
The disruption is felt across the environment, affecting Microsoft SharePoint servers, and exposing Application secrets, sensitive data.
In response, moved swiftly to contain the threat with measures like Apply Microsoft's July 2026 security update across all SharePoint farm members, monitor for anomalous unauthenticated requests, restrict internet exposure of on-premises SharePoint servers, and began remediation that includes Patch affected SharePoint versions (16.0.5561.1001 for 2016, 16.0.10417.20175 for 2019, 16.0.19725.20434 for Subscription Edition).
The case underscores how Ongoing, and recommending next steps like Apply Microsoft's July 2026 security update, monitor for anomalous unauthenticated requests, restrict internet exposure of on-premises SharePoint servers, and ensure patches are applied across all SharePoint farm members.
Finally, we try to match the incident with the MITRE ATT&CK framework to see if there is any correlation between the incident and the MITRE ATT&CK framework.
The MITRE ATT&CK framework is a knowledge base of techniques and sub-techniques that are used to describe the tactics and procedures of cyber adversaries. It is a powerful tool for understanding the threat landscape and for developing effective defense strategies.
MITRE ATT&CK® Correlation Analysis
Rankiteo's analysis has identified several MITRE ATT&CK tactics and techniques associated with this incident, each with varying levels of confidence based on available evidence. Under the Initial Access tactic, the analysis identified Exploit Public-Facing Application (T1190) with high confidence (95%), supported by evidence indicating enables unauthenticated remote code execution (RCE) on on-premises Microsoft SharePoint servers and Exploitation of Remote Services (T1210) with high confidence (90%), supported by evidence indicating attackers can exploit it by sending a crafted serialized object to a vulnerable endpoint. Under the Execution tactic, the analysis identified Exploitation for Client Execution (T1203) with high confidence (90%), supported by evidence indicating arbitrary code execution in the server’s context. Under the Privilege Escalation tactic, the analysis identified Exploitation for Privilege Escalation (T1068) with moderate to high confidence (85%), supported by evidence indicating leading to arbitrary code execution in the server’s context. Under the Credential Access tactic, the analysis identified Unsecured Credentials: Credentials In Files (T1552.001) with moderate to high confidence (80%), supported by evidence indicating theft of application secrets. Under the Lateral Movement tactic, the analysis identified Exploitation of Remote Services (T1210) with moderate to high confidence (85%), supported by evidence indicating lateral movement across networks. Under the Collection tactic, the analysis identified Data from Local System (T1005) with moderate to high confidence (80%), supported by evidence indicating theft of application secrets, sensitive data. Under the Command and Control tactic, the analysis identified Application Layer Protocol: Web Protocols (T1071.001) with moderate to high confidence (75%), supported by evidence indicating crafted serialized object to a vulnerable endpoint. Under the Defense Evasion tactic, the analysis identified Exploitation for Defense Evasion (T1211) with moderate to high confidence (80%), supported by evidence indicating improper deserialization of untrusted data and Server Software Component: Web Shell (T1505.003) with moderate to high confidence (75%), supported by evidence indicating web shell deployment. Under the Impact tactic, the analysis identified Resource Hijacking (T1496) with moderate to high confidence (70%), supported by evidence indicating full server takeover. These correlations help security teams understand the attack chain and develop appropriate defensive measures based on the observed tactics and techniques.
Sources & References
- Microsoft_SharePoint Rankiteo Cyber Incident Details: https://www.rankiteo.com/company/microsoft_sharepoint/incident/MIC1784643940
- Microsoft_SharePoint CyberSecurity Rating page: https://www.rankiteo.com/company/microsoft_sharepoint
- Microsoft_SharePoint Rankiteo Cyber Incident Blog Article: https://blog.rankiteo.com/mic1784643940-microsoft-vulnerability-july-2026/
- Microsoft_SharePoint CyberSecurity Score History: https://www.rankiteo.com/company/microsoft_sharepoint/history
- Microsoft_SharePoint CyberSecurity Incident Source: https://cybersecuritynews.com/sharepoint-rce-exploited-in-the-wild/
- Rankiteo A.I CyberSecurity Rating methodology: https://www.rankiteo.com/Images/rankiteo_algo.pdf
- Rankiteo TPRM Scoring methodology: https://static.rankiteo.com/model/rankiteo_tprm_methodology.pdf