Summary
Impact: Remote Code Execution. Microsoft rating: Important. Not known to be exploited — Exploitation Less Likely. Customer action: Required.
Details
According to the CVSS metric, user interaction is required (UI:R). What interaction would the user have to do?
Exploitation of this vulnerability requires that an attacker convinces a user to open a maliciously crafted package file in Visual Studio.
Security updates
4.8.1.09294.01 — https://support.microsoft.com/help/5049622
15.9.69 — https://docs.microsoft.com/en-us/visualstudio/releasenotes/vs2017-relnotes
16.11.43 — https://docs.microsoft.com/en-us/visualstudio/releases/2019/release-notes-v16.11
17.6.22 — https://learn.microsoft.com/en-us/visualstudio/releases/2022/release-notes
14.0.24252.2 — https://support.microsoft.com/help/5049688
4.8.04775.01 — https://support.microsoft.com/help/5049614
4.8.04775.01 — https://support.microsoft.com/help/5050183
4.8.04775.02 — https://support.microsoft.com/help/5050180
4.8.04775.01 — https://support.microsoft.com/help/5050184
4.8.04775.01 — https://support.microsoft.com/help/5050185
4.8.04775.01 — https://support.microsoft.com/help/5050182
4.8.04775.01 — https://support.microsoft.com/help/5050187
4.8.04775.01 — https://support.microsoft.com/help/5050416
4.8.04775.01 — https://support.microsoft.com/help/5050188
10.0.14393.7699 — https://support.microsoft.com/help/5049993
4.8.1.09294.01 — https://support.microsoft.com/help/5049624
4.8.1.09294.01 — https://support.microsoft.com/help/5049620
4.7.04126.01 — https://support.microsoft.com/help/5050186
4.7.04126.02 — https://support.microsoft.com/help/5050181
10.0.10240.20890 — https://support.microsoft.com/help/5050013
8.0.12 — https://support.microsoft.com/help/5050525
9.0.1 — https://support.microsoft.com/help/5050526
Vulnerabilities 1
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High 8.8
.NET, .NET Framework, and Visual Studio Remote Code Execution Vulnerability
.NET, .NET Framework, and Visual Studio Remote Code Execution Vulnerability
Revision history
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#2
In the Security Updates table, added Visual Studio 2015 Update 3, as this version of Visual Studio is also affected by this vulnerability. Microsoft recommends that customers running Visual Studio 2015 Update 3 install the update to be fully protected from the vulnerability. Customers whose systems are configured to receive automatic updates do not need to take any further action.
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#1
Information published.
References
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CVE-2025-21176 .NET, .NET Framework, and Visual Studio Remote Code Execution Vulnerability - HTML
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21176
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Microsoft Exploitability Index
https://www.microsoft.com/en-us/msrc/exploitability-index?rtc=1
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Microsoft Support Lifecycle
https://support.microsoft.com/lifecycle
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Common Vulnerability Scoring System
https://www.first.org/cvss