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CVE-2026-47304 Details
Description
Improper verification of cryptographic signature in .NET allows an unauthorized attacker to bypass a security feature over a network.
A vulnerability exists in .NET due to improper verification of cryptographic signatures, which allows unauthorized attackers to bypass security features over a network. This vulnerability affects multiple versions of Microsoft Visual Studio, including 2022 versions 17.12 and 17.14, as well as Visual Studio 2026 version 18.7.
Users can download the security update for this vulnerability through the Microsoft Visual Studio Update Manager. For Visual Studio 2026 version 18.7, the build number is 18.7.4. For Visual Studio 2022 version 17.12, the build number is 17.12.22, and for version 17.14, it is 17.14.36.
Metrics
CVSS 4.0 Severity and Vector Strings:
No CVSS 4.0 data is available for this CVE.
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed Jul 15, 2026Exploitation: NoneAutomatable: NoTechnical Impact: Total
References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-47304 | [email protected] | PatchVendor Advisory |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-345 | Insufficient Verification of Data Authenticity | [email protected] |
| CWE-347 | Improper Verification of Cryptographic Signature | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| microsoft .net framework | 4.8.1 4.8 4.6.2 4.7 4.7.1 4.7.2 3.5 - |
CPE
Remediation
| |
| microsoft windows 11 26h1 | All versions |
CPE
Remediation
| |
| microsoft windows 10 1607 | All versions |
CPE
Remediation
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| microsoft windows server 2012 | r2 |
CPE
Remediation
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| microsoft windows server 2016 | All versions |
CPE
Remediation
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| microsoft windows 10 21h2 | All versions |
CPE
Remediation
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| microsoft windows 10 22h2 | All versions |
CPE
Remediation
| |
| microsoft windows 11 23h2 | All versions |
CPE
Remediation
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| microsoft windows 11 24h2 | All versions |
CPE
Remediation
| |
| microsoft windows 11 25h2 | All versions |
CPE
Remediation
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| microsoft windows server 2022 | All versions |
CPE
Remediation
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| microsoft windows server 2025 | All versions |
CPE
Remediation
| |
| microsoft .net | >= 8.0.0, < 8.0.29 >= 9.0.0, < 9.0.18 >= 10.0.0, < 10.0.6 |
CPE
Remediation
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| apple macos | All versions |
CPE
Remediation
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| linux linux kernel | All versions |
CPE
Remediation
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| microsoft windows | All versions |
CPE
Remediation
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| microsoft windows 10 1809 | All versions |
CPE
Remediation
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| microsoft windows server 2019 | All versions |
CPE
Remediation
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| microsoft visual studio 2017 | >= 15.0, <= 15.9 |
CPE
Remediation
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| microsoft visual studio 2019 | >= 16.0, <= 16.11 |
CPE
Remediation
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| microsoft visual studio 2022 | >= 17.12.0, < 17.12.22 >= 17.14.0, < 17.14.36 |
CPE
Remediation
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| microsoft visual studio 2026 | >= 18.7.0, < 18.7.4 18.5.0 |
CPE
Remediation
| |
Change History
9 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jul 24, 2026 | Initial Analysis | [email protected] |
| Jul 22, 2026 | CVE Modified | [email protected] |
| Jul 22, 2026 | CVE Modified | [email protected] |
| Jul 21, 2026 | CVE Modified | [email protected] |
| Jul 21, 2026 | CVE Modified | [email protected] |
| Jul 15, 2026 | CVE Modified | [email protected] |
| Jul 15, 2026 | CVE Modified | CISA-ADP |
| Jul 15, 2026 | CVE Modified | CISA-ADP |
| Jul 14, 2026 | New CVE Received | [email protected] |