Microsoft Visual Studio 2022 vulnerabilities

155 CVEs affecting Microsoft Visual Studio 2022, 2 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-2023-44487: HTTP/2 Rapid Reset Attack Vulnerability, published 2023-10-10. High severity, CVSS 7.5. Actively exploited: in CISA KEV since 2023-10-10. EPSS: 100% chance of exploitation in the next 30 days. The HTTP/2 protocol allows a denial of service (server resource consumption) because request cancellation can reset many streams quickly, as exploited in the wild in August through October 2023.
• CVE-2023-38180: Microsoft .NET Core and Visual Studio Denial-of-Service Vulnerability, published 2023-08-08. High severity, CVSS 7.5. Actively exploited: in CISA KEV since 2023-08-09. EPSS: 14% chance of exploitation in the next 30 days. .NET and Visual Studio Denial of Service Vulnerability
• CVE-2023-38171, published 2023-10-10. High severity, CVSS 7.5. EPSS: 71% chance of exploitation in the next 30 days. Microsoft QUIC Denial of Service Vulnerability
• CVE-2025-55315, published 2025-10-14. Critical severity, CVSS 9.9. EPSS: 65.9% chance of exploitation in the next 30 days. Inconsistent interpretation of http requests ('http request/response smuggling') in ASP.NET Core allows an authorized attacker to bypass a security feature over a network.
• CVE-2023-36049, published 2023-11-14. Critical severity, CVSS 9.8. EPSS: 12.5% chance of exploitation in the next 30 days. .NET, .NET Framework, and Visual Studio Elevation of Privilege Vulnerability
• CVE-2025-47959, published 2025-06-13. High severity, CVSS 7.1. EPSS: 10.9% chance of exploitation in the next 30 days. Improper neutralization of special elements used in a command ('command injection') in Visual Studio allows an authorized attacker to execute code over a network.
• CVE-2022-30184, published 2022-06-15. Medium severity, CVSS 5.5. EPSS: 5.7% chance of exploitation in the next 30 days. .NET and Visual Studio Information Disclosure Vulnerability
• CVE-2022-23267, published 2022-05-10. High severity, CVSS 7.5. EPSS: 5.7% chance of exploitation in the next 30 days. .NET and Visual Studio Denial of Service Vulnerability
• CVE-2022-29117, published 2022-05-10. High severity, CVSS 7.5. EPSS: 5.7% chance of exploitation in the next 30 days. .NET and Visual Studio Denial of Service Vulnerability
• CVE-2022-29145, published 2022-05-10. High severity, CVSS 7.5. EPSS: 5.4% chance of exploitation in the next 30 days. .NET and Visual Studio Denial of Service Vulnerability

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-2026-71328, 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.
• CVE-2026-58649, published 2026-09-08. Medium severity, CVSS 6.5. EPSS: 0.3% chance of exploitation in the next 30 days. Origin validation error in .NET allows an unauthorized attacker to disclose information over a network.
• CVE-2026-70354, published 2026-08-11. High severity, CVSS 7.8. EPSS: 0.4% chance of exploitation in the next 30 days. Out-of-bounds write in .NET allows an unauthorized attacker to execute code locally.