CVE-2026-97801
HighCVSS 7.5Summary
Improper validation of specified type of input in .NET Framework allows an unauthorized attacker to perform tampering over a network.
Risk Assessment
An unauthenticated attacker could modify data or operations in .NET applications, potentially leading to data integrity compromise.
Recommendation
Apply the latest security updates from the vendor.
Other vulnerabilities in .NET Framework
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Microsoft .NET Framework versions 2.0 SP2, 3.5, 3.5.1, 4, 4.5, 4.5.1, and 4.5.2 improperly parse internationalized resource identifiers, allowing remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted request to a .NET web application.
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A remote code execution vulnerability exists in .NET Framework, Microsoft SharePoint, and Visual Studio when the software fails to check the source markup of XML file input, aka '.NET Framework, SharePoint Server, and Visual Studio Remote Code Execution Vulnerability'.
Original NVD description (English source)
Improper validation of specified type of input in .NET Framework allows an unauthorized attacker to perform tampering over a network.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS