Microsoft Microsoft .NET Framework 4.8.1 vulnerabilities

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Published CVEs affecting Microsoft Microsoft .NET Framework 4.8.1: 37 record(s), with affected versions and fixes.

CVE-2026-50659 Medium · 6.5 CWE-116 Jul 14, 2026

.NET Spoofing Vulnerability

Improper encoding or escaping of output in .NET allows an authorized attacker to perform spoofing over a network.

CVE-2026-50525 High · 7.5 CWE-770 Jul 14, 2026

.NET Denial of Service Vulnerability

Allocation of resources without limits or throttling in .NET allows an unauthorized attacker to deny service over a network.

CVE-2026-47304 Critical · 9.8 CWE-345 Jul 14, 2026

.NET Security Feature Bypass Vulnerability

Improper verification of cryptographic signature in .NET allows an unauthorized attacker to bypass a security feature over a network.

CVE-2026-50647 High · 7.5 CWE-835 Jul 14, 2026

Active Directory Federation Server Denial of Service Vulnerability

Loop with unreachable exit condition ('infinite loop') in Active Directory Federation Services (AD FS) allows an unauthorized attacker to deny service over a network.

CVE-2026-50411 High · 7.5 CWE-121 Jul 14, 2026

Windows Active Directory Federation Services Denial of Service Vulnerability

Stack-based buffer overflow in Active Directory Federation Services (AD FS) allows an unauthorized attacker to deny service over a network.

CVE-2026-50368 High · 7.5 CWE-121 Jul 14, 2026

Windows Active Directory Federation Services Denial of Service Vulnerability

Stack-based buffer overflow in Active Directory Federation Services allows an unauthorized attacker to deny service over a network.

CVE-2026-50355 High · 7.5 CWE-121 Jul 14, 2026

Windows Active Directory Federation Services Denial of Service Vulnerability

Stack-based buffer overflow in Active Directory Federation Services allows an unauthorized attacker to deny service over a network.

CVE-2026-50324 Medium · 5.9 CWE-835 Jul 14, 2026

Windows Active Directory Federation Services Denial of Service Vulnerability

Loop with unreachable exit condition ('infinite loop') in Active Directory Federation Services (AD FS) allows an unauthorized attacker to deny service over a network.

CVE-2026-50304 High · 7.5 CWE-121 Jul 14, 2026

Windows Active Directory Federation Services Denial of Service Vulnerability

Stack-based buffer overflow in Active Directory Federation Services allows an unauthorized attacker to deny service over a network.

CVE-2026-50653 High · 7.5 CWE-400 Jul 14, 2026

Azure Active Directory Denial of Service Vulnerability

Loop with unreachable exit condition ('infinite loop') in Azure Active Directory allows an unauthorized attacker to deny service over a network.

CVE-2026-50652 High · 7.5 CWE-502 Jul 14, 2026

Azure Active Directory Denial of Service Vulnerability

Deserialization of untrusted data in Azure Active Directory allows an unauthorized attacker to deny service over a network.

CVE-2026-32226 Medium · 5.9 CWE-362 Apr 14, 2026

.NET Framework Denial of Service Vulnerability

Concurrent execution using shared resource with improper synchronization ('race condition') in .NET Framework allows an unauthorized attacker to deny service over a network.