CVE-2026-83520: .NET 10.0 10.0.0 to before 10.0.13; +13 more affected products

Affected technology

.NET 10.0 · 10.0.0 to before 10.0.13
Microsoft

.NET 11.0 · 11.0.0 to before 11.0.0-rc.2
Microsoft

.NET 8.0 · 8.0.0 to before 8.0.32
Microsoft

.NET 9.0 · 9.0.0 to before 9.0.21
Microsoft

Microsoft .NET Framework 3.5 · 3.5.0 to before 2.0.50727.9188 AND 3.0.30729.9171
Microsoft

Microsoft .NET Framework 3.5 AND 4.6.2/4.7/4.7.1/4.7.2 · 3.0.0.0 to before 2.0.50727.8987 AND 3.0.30729.8982 AND 4.7.4150.0
Microsoft

Microsoft .NET Framework 3.5 AND 4.7.2 · 4.7.0 to before 2.0.50727.9073 AND 3.0.30729.9070 AND 4.7.4150.0
Microsoft

Microsoft .NET Framework 3.5 AND 4.8 · 4.8.0 to before 2.0.50727.9073 AND 3.0.30729.9070 AND 4.8.4811.0
Microsoft

Microsoft .NET Framework 3.5 AND 4.8.1 · 4.8.1 to before 2.0.50727.9188 AND 3.0.30729.9171 AND 4.8.9363.0
Microsoft

Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2 · 4.7.0 to before 4.7.4150.0
Microsoft

Microsoft .NET Framework 4.8 · 4.8.0 to before 4.8.4811.0
Microsoft

Microsoft .NET Framework 4.8.1 · 4.8.0.0 to before 4.8.9363.0
Microsoft

Microsoft Visual Studio 2022 version 17.14 · 17.14.0 to before 17.14.42
Microsoft

Microsoft Visual Studio 2026 version 18.10 · 18.10.0 to before 18.10.4
Microsoft

Component: Not specified by the source

Attack conditions (Vendor/CNA, CVSS 3.1): Network (remote) · No privileges required · User interaction required

What an attacker can do

An unauthorized attacker can execute code over a network. Vendor/CNA’s CVSS 3.1 assessment (base score 8.8/10) rates confidentiality, integrity and availability impact as high.