CVE-2026-32177

.NET Elevation of Privilege Vulnerability

CVSS 7.3 HIGHEPSS 0.6%CWE-122 CWE-20

Vexday Risk Score

21Bajo

Decisión SSVC (CISA)

Track

Sin señal de explotación → monitorear

CVSS 7.3EPSS 0.6%KEV nãoPoC —Nuclei —Metasploit —Patch referenciado

Ciclo de vida

12 may 2026Publicada en NVD

Recomendación: Monitorear — sin señal de explotación por ahora.

Heap-based buffer overflow in .NET allows an unauthorized attacker to elevate privileges locally.

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:L/E:U/RL:O/RC:C

Productos afectados

Microsoft · Microsoft .NET Framework 3.5 Microsoft · Microsoft .NET Framework 3.5 AND 4.7.2 Microsoft · Microsoft .NET Framework 3.5 AND 4.8 Microsoft · Microsoft .NET Framework 3.5 AND 4.8.1 Microsoft · Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2 Microsoft · Microsoft .NET Framework 4.8 Microsoft · Microsoft Visual Studio 2022 version 17.12 Microsoft · Microsoft Visual Studio 2022 version 17.14 Microsoft · Microsoft Visual Studio 2026 version 18.5 Microsoft · .NET 10.0 Microsoft · .NET 8.0 Microsoft · .NET 9.0

Referencias

https://access.redhat.com/security/cve/CVE-2026-32177 https://bugzilla.redhat.com/show_bug.cgi?id=2476664 https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-32177 https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-32177.json