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Microsoft Defender Vulnerability Management vs Nucleus comparison

 

Comparison Buyer's Guide

Executive Summary

Review summaries and opinions

We asked business professionals to review the solutions they use. Here are some excerpts of what they said:
 

Categories and Ranking

Microsoft Defender Vulnerab...
Ranking in Vulnerability Management
12th
Ranking in Risk-Based Vulnerability Management
6th
Average Rating
8.2
Reviews Sentiment
6.5
Number of Reviews
17
Ranking in other categories
Advanced Threat Protection (ATP) (18th), Microsoft Security Suite (19th)
Nucleus
Ranking in Vulnerability Management
50th
Ranking in Risk-Based Vulnerability Management
22nd
Average Rating
0.0
Number of Reviews
0
Ranking in other categories
Application Security Tools (36th)
 

Mindshare comparison

As of February 2026, in the Risk-Based Vulnerability Management category, the mindshare of Microsoft Defender Vulnerability Management is 7.1%, down from 8.2% compared to the previous year. The mindshare of Nucleus is 2.7%, up from 2.6% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Risk-Based Vulnerability Management Market Share Distribution
ProductMarket Share (%)
Microsoft Defender Vulnerability Management7.1%
Nucleus2.7%
Other90.2%
Risk-Based Vulnerability Management
 

Featured Reviews

OB
Microsoft Solutions Manager at Self-Employed
Ensures strong threat and vulnerability management with continuous risk assessment
The major priority is identity, which is crucial; we have lots of companies in manufacturing, energy, or various sectors, and it varies from one to another. I assess Microsoft Defender Vulnerability Management as very effective in continuously assessing vulnerabilities without requiring scans. We use automatic investigation and remediation features, safe attachments, safe links, and real-time reports, which are also very effective. For Active Directory, Defender has threat intelligence, and we are using that. The risk-based prioritization within Vulnerability Management affects my ability to manage vulnerabilities, particularly in relation to the Zero Trust Model utilized by our customers. The end-users often do as they please in their systems.
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Top Industries

By visitors reading reviews
Financial Services Firm
12%
Computer Software Company
10%
Manufacturing Company
8%
Government
8%
Computer Software Company
18%
Financial Services Firm
10%
Manufacturing Company
7%
Healthcare Company
7%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business9
Midsize Enterprise2
Large Enterprise6
No data available
 

Questions from the Community

What needs improvement with Microsoft Defender Vulnerability Management?
The documentation from Microsoft needs significant improvement. The documents are disorganized, with one document linking to another, making the steps unclear and difficult to follow. Regarding upd...
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Overview

Find out what your peers are saying about Qualys, Tenable, Rapid7 and others in Risk-Based Vulnerability Management. Updated: February 2026.
881,733 professionals have used our research since 2012.