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Analyze » Microsoft_SharePoint » MIC1773908622

Incident Score: Analysis & Impact (MIC1773908622)

The details regarding individual company incidents & reports gives you full view from every side.

Rankiteo Score Impact Analysis

Rankiteo Incident Impact-5
Company Score Before Incident769 / 1000
Company Score After Incident764 / 1000
Company LinkView Microsoft_SharePoint Profile
INCIDENT NUMBERMIC1773908622
Type of Cyber IncidentVulnerability
ATTACK VECTORImproper deserialization of untrusted data
DATA EXPOSEDNA
INCIDENT DATE17/03/2026
STATUSOngoing

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 MIC1773908622.

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 769 and after the incident was 764 with a difference of -5 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.

On 18 March 2026, Microsoft SharePoint disclosed Vulnerability Exploitation issues under the banner "CISA Warns of Actively Exploited Microsoft SharePoint Vulnerability (CVE-2026-20963)".

On March 18, 2026, the U.S.

The disruption is felt across the environment, affecting Microsoft SharePoint.

In response, and began remediation that includes Apply security patches as they become available.

The case underscores how Ongoing, and recommending next steps like Monitor updates and apply security fixes for Microsoft SharePoint immediately.

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 (90%), with evidence including cVE-2026-20963...actively exploited in real-world attacks, and flaw in Microsoft SharePoint. Under the Execution tactic, the analysis identified Exploitation for Client Execution (T1203) with moderate to high confidence (80%), supported by evidence indicating improper deserialization of untrusted data...execute arbitrary code. Under the Privilege Escalation tactic, the analysis identified Exploitation for Privilege Escalation (T1068) with moderate to high confidence (70%), supported by evidence indicating gain unauthorized access via SharePoint vulnerability. Under the Defense Evasion tactic, the analysis identified Exploitation for Defense Evasion (T1211) with moderate confidence (60%), supported by evidence indicating improper deserialization of untrusted data. These correlations help security teams understand the attack chain and develop appropriate defensive measures based on the observed tactics and techniques.

Initial Access
Exploit Public-Facing Application (90%)
Execution
Exploitation for Client Execution (80%)
Privilege Escalation
Exploitation for Privilege Escalation (70%)
Defense Evasion
Exploitation for Defense Evasion (60%)

Sources & References