CVE-2026-47304: CWE-347: Improper Verification of Cryptographic Signature in Microsoft .NET 10.0
Improper verification of cryptographic signature in .NET allows an unauthorized attacker to bypass a security feature over a network.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-47304) in Microsoft .NET 10.0 is due to improper verification of cryptographic signatures (CWE-347). It enables an attacker without privileges to bypass security controls remotely. The CVSS v3.1 score is 8.1, indicating high impact on confidentiality, integrity, and availability. Microsoft has published an official fix for the affected versions. No known exploits are reported in the wild at this time.
Potential Impact
Successful exploitation can lead to bypassing security features, potentially compromising confidentiality, integrity, and availability of affected systems running vulnerable .NET versions. The vulnerability is exploitable remotely without user interaction but requires high attack complexity.
Mitigation Recommendations
An official fix is available from Microsoft. Users should apply the vendor-provided patches as detailed in the Microsoft Security Response Center advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-47304 to remediate this vulnerability.
CVE-2026-47304: CWE-347: Improper Verification of Cryptographic Signature in Microsoft .NET 10.0
Description
Improper verification of cryptographic signature in .NET allows an unauthorized attacker to bypass a security feature over a network.
CVSS v3.1
Score 8.1high
Affected software
pkg:nuget/microsoft.visualstudio.2022Run on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-47304) in Microsoft .NET 10.0 is due to improper verification of cryptographic signatures (CWE-347). It enables an attacker without privileges to bypass security controls remotely. The CVSS v3.1 score is 8.1, indicating high impact on confidentiality, integrity, and availability. Microsoft has published an official fix for the affected versions. No known exploits are reported in the wild at this time.
Potential Impact
Successful exploitation can lead to bypassing security features, potentially compromising confidentiality, integrity, and availability of affected systems running vulnerable .NET versions. The vulnerability is exploitable remotely without user interaction but requires high attack complexity.
Mitigation Recommendations
An official fix is available from Microsoft. Users should apply the vendor-provided patches as detailed in the Microsoft Security Response Center advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-47304 to remediate this vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-05-18T23:53:33.898Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-47304","vendor":"Microsoft"}]
Threat ID: 6a56883a68715ace43099966
Added to database: 07/14/2026, 19:04:26 UTC
Last enriched: 08/13/2026, 14:17:41 UTC
Last updated: 08/27/2026, 22:52:11 UTC
Views: 151
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