CVE-2023-33135: .NET and Visual Studio Elevation of Privilege Vulnerability

Severity: high (CVSS 7.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.0% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2023-06-13 · updated 2026-06-17

Description

.NET and Visual Studio Elevation of Privilege Vulnerability

Affected products

Microsoft .NET: from 6.0.0 before 6.0.18; from 7.0.0 before 7.0.7 — fixed in 6.0.18, 7.0.7
Microsoft Visual Studio 2022 version 17.14: from 17.0 before 17.0.22; from 17.2 before 17.2.16; from 17.4 before 17.4.8; from 17.6 before 17.6.3 — fixed in 17.0.22, 17.2.16, 17.4.8, 17.6.3
Microsoft .NET 6.0: from 6.0.0 before 6.0.18 — fixed in 6.0.18
Microsoft .NET 7.0: from 7.0.0 before 7.0.7 — fixed in 7.0.7
Microsoft Visual Studio 2022 version 17.0: from 17.0.0 before 17.0.22 — fixed in 17.0.22
Microsoft Visual Studio 2022 version 17.2: from 17.2.0 before 17.2.16 — fixed in 17.2.16
Microsoft Visual Studio 2022 version 17.4: from 17.4.0 before 17.4.8 — fixed in 17.4.8
Microsoft Visual Studio 2022 version 17.6: from 17.6.0 before 17.6.3 — fixed in 17.6.3

How to fix

Upgrade to a fixed version: Microsoft .NET 6.0.18, 7.0.7; Microsoft Visual Studio 2022 version 17.14 17.0.22, 17.2.16, 17.4.8, 17.6.3; Microsoft .NET 6.0 6.0.18; Microsoft .NET 7.0 7.0.7; Microsoft Visual Studio 2022 version 17.0 17.0.22; Microsoft Visual Studio 2022 version 17.2 17.2.16; Microsoft Visual Studio 2022 version 17.4 17.4.8; Microsoft Visual Studio 2022 version 17.6 17.6.3. Check the vendor advisory for mitigations.

References

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