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Critical Vulnerabilities in Microsoft Visual Studio and SMB Allow Remote Code Execution

First seen 20 Jul 2026, 03:47 UTC Support.Microsoft 76% similarity 71

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Microsoft has issued security bulletins MS09-035 and MS09-001 addressing vulnerabilities in Visual Studio Active Template Libraries and SMB, respectively. The vulnerabilities could allow remote code execution, impacting various versions of Visual Studio and Windows systems. Specifically, MS09-035 affects Visual Studio 2003, 2005, and 2008, while MS09-001 pertains to SMB vulnerabilities in Windows operating systems. Users are advised to install the necessary updates to mitigate these risks. The updates are critical for systems still in use, particularly those running older versions of Windows. Microsoft has provided detailed instructions and links for downloading the updates. The vulnerabilities pose a significant risk to organizations still using outdated software. Immediate action is recommended to prevent potential exploitation.

Key Points: • Microsoft released critical updates for vulnerabilities in Visual Studio and SMB. • MS09-035 affects Visual Studio 2003, 2005, and 2008, while MS09-001 targets SMB vulnerabilities. • Immediate installation of updates is recommended to prevent remote code execution.

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Timeline

2026-07-18
MS09-035 security bulletin released
Microsoft announced vulnerabilities in Visual Studio Active Template Libraries that could allow remote code execution.
Support.Microsoft
2026-07-19
MS09-001 security bulletin released
Microsoft disclosed vulnerabilities in SMB that could also allow remote code execution, affecting various Windows systems.
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