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Microsoft MSRC Dismisses Critical Dependency Confusion Vulnerability in Azure Portal

First seen 3 Jun 2026, 07:54 UTC • •
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ThreatCluster AI
ThreatCluster •June 4, 2026 at 07:53 UTC
  • •Microsoft MSRC reportedly dismissed a critical dependency confusion vulnerability.
  • •The vulnerability allows for remote code execution (RCE) in Azure Portal assets.
  • •Security researcher Wahid Fayad identified the issue during a routine analysis in January 2026.

Microsoft is under scrutiny after the Microsoft Security Response Center (MSRC) allegedly dismissed a critical dependency confusion vulnerability affecting Azure Portal assets. Security researcher Wahid Fayad discovered the vulnerability during a routine analysis of JavaScript assets on portal.azure.com in January 2026. The vulnerability allows for remote code execution (RCE) due to an internal Node.js dependency, FxInternal/NetDiagnostics, which was not adequately addressed by Microsoft. Despite the proof-of-concept exploit demonstrating the potential for RCE, MSRC closed the case, claiming it did not constitute an exploitable security issue. This decision raises concerns about the security posture of Azure services and the implications for users relying on the platform. The situation is ongoing, with calls for Microsoft to reconsider its stance on the vulnerability.

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Updated 106d ago How this analysis works

Timeline

2026-01-01
Dependency confusion vulnerability discovered
Wahid Fayad identified a critical dependency confusion vulnerability in Azure Portal during an analysis of JavaScript assets.
Cybersecuritynews
2026-01-05
Proof-of-concept exploit demonstrated
A proof-of-concept exploit was created, showcasing remote code execution capabilities due to the vulnerability.
Gbhackers
2026-06-02
MSRC closes case on vulnerability
Microsoft's Security Response Center closed the case, claiming the evidence did not constitute an exploitable security issue.
Cybersecuritynews
2026-06-03
Scrutiny over MSRC's decision
Microsoft faces scrutiny for its decision to dismiss the critical vulnerability affecting Azure Portal.
Gbhackers

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