Microsoft Visual Studio 2026 vulnerabilities

40 CVEs affecting Microsoft Visual Studio 2026, 0 known to be exploited (CISA KEV), with EPSS scores. Latest: CVE-2026-96957, published 2026-10-13.

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Highest priority

Known exploited (CISA KEV) first, then by EPSS exploit probability.

• CVE-2026-50649, published 2026-07-14. High severity, CVSS 7.8. EPSS: 4% chance of exploitation in the next 30 days. Deserialization of untrusted data in .NET allows an unauthorized attacker to execute code locally.
• CVE-2026-50646, published 2026-07-14. High severity, CVSS 7.8. EPSS: 4% chance of exploitation in the next 30 days. Protection mechanism failure in .NET Framework allows an unauthorized attacker to execute code locally.
• CVE-2026-45591, published 2026-06-09. High severity, CVSS 7.5. EPSS: 2.4% chance of exploitation in the next 30 days. Uncontrolled resource consumption in ASP.NET Core allows an unauthorized attacker to deny service over a network.
• CVE-2026-32203, published 2026-04-14. High severity, CVSS 7.5. EPSS: 2.4% chance of exploitation in the next 30 days. Stack-based buffer overflow in .NET and Visual Studio allows an unauthorized attacker to deny service over a network.
• CVE-2026-62901, published 2026-08-11. High severity, CVSS 7.5. EPSS: 1.2% chance of exploitation in the next 30 days. Unchecked input for loop condition in .NET allows an unauthorized attacker to deny service over a network.
• CVE-2026-50524, published 2026-07-14. High severity, CVSS 7.5. EPSS: 1.2% chance of exploitation in the next 30 days. Improper validation of specified type of input in .NET Framework allows an unauthorized attacker to deny service over a network.
• CVE-2026-50651, published 2026-07-14. High severity, CVSS 7.5. EPSS: 1.2% chance of exploitation in the next 30 days. Allocation of resources without limits or throttling in .NET allows an unauthorized attacker to deny service over a network.
• CVE-2026-50648, published 2026-07-14. High severity, CVSS 7.5. EPSS: 1.2% chance of exploitation in the next 30 days. Allocation of resources without limits or throttling in .NET Framework allows an unauthorized attacker to deny service over a network.
• CVE-2026-50527, published 2026-07-14. High severity, CVSS 7.5. EPSS: 1.2% chance of exploitation in the next 30 days. Stack-based buffer overflow in .NET Framework allows an unauthorized attacker to deny service over a network.
• CVE-2026-50525, published 2026-07-14. High severity, CVSS 7.5. EPSS: 1.2% chance of exploitation in the next 30 days. Allocation of resources without limits or throttling in .NET allows an unauthorized attacker to deny service over a network.

Latest

• CVE-2026-96957, published 2026-10-13. High severity, CVSS 8.8. EPSS: 0.4% chance of exploitation in the next 30 days. Improper verification of cryptographic signature in .NET allows an unauthorized attacker to bypass a security feature over a network.
• CVE-2026-88092, published 2026-10-13. Critical severity, CVSS 9.4. EPSS: 0.8% chance of exploitation in the next 30 days. Inconsistent interpretation of http requests ('http request/response smuggling') in ASP.NET Core allows an unauthorized attacker to perform tampering over a network.
• CVE-2026-85790, published 2026-10-13. Medium severity, CVSS 5.9. EPSS: 0.7% chance of exploitation in the next 30 days. Use after free in Microsoft QUIC allows an unauthorized attacker to disclose information over a network.
• CVE-2026-77907, published 2026-09-08. High severity, CVSS 8.8. EPSS: 0.8% chance of exploitation in the next 30 days. Heap-based buffer overflow in Visual Studio allows an unauthorized attacker to execute code over a network.
• CVE-2026-77906, published 2026-09-08. High severity, CVSS 8.8. EPSS: 0.8% chance of exploitation in the next 30 days. Heap-based buffer overflow in Visual Studio allows an unauthorized attacker to execute code over a network.
• CVE-2026-71328, published 2026-09-08. High severity, CVSS 8.8. EPSS: 0.8% chance of exploitation in the next 30 days. Heap-based buffer overflow in Visual Studio allows an unauthorized attacker to execute code over a network.
• CVE-2026-69806, published 2026-09-08. High severity, CVSS 7.0. EPSS: 0.8% chance of exploitation in the next 30 days. Exposure of sensitive information to an unauthorized actor in .NET allows an authorized attacker to elevate privileges locally.
• CVE-2026-69805, published 2026-09-08. High severity, CVSS 8.1. EPSS: 0.5% chance of exploitation in the next 30 days. External control of file name or path in .NET allows an unauthorized attacker to elevate privileges over a network.
• CVE-2026-69439, published 2026-09-08. High severity, CVSS 8.8. EPSS: 0.8% chance of exploitation in the next 30 days. Heap-based buffer overflow in .NET and Visual Studio allows an unauthorized attacker to elevate privileges over a network.
• CVE-2026-69304, published 2026-09-08. Medium severity, CVSS 5.9. EPSS: 0.9% chance of exploitation in the next 30 days. Improper handling of highly compressed data (data amplification) in ASP.NET Core allows an unauthorized attacker to deny service over a network.