CVE-2026-47304 (GCVE-0-2026-47304)

Vulnerability from cvelistv5 – Published: 2026-07-14 18:45 – Updated: 2026-08-03 22:54
VLAI
Title
.NET Security Feature Bypass Vulnerability
Summary
Improper verification of cryptographic signature in .NET allows an unauthorized attacker to bypass a security feature over a network.
Severity
8.1 (High)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • CWE-347 - Improper Verification of Cryptographic Signature
  • CWE-345 - Insufficient Verification of Data Authenticity
Assigner
References
Impacted products
Vendor Product Version
Microsoft .NET 10.0 Affected: 10.0.0 , < 10.0.10 (custom)
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Microsoft .NET 8.0 Affected: 8.0.0 , < 8.0.29 (custom)
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Microsoft .NET 9.0 Affected: 9.0.0 , < 9.0.18 (custom)
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Microsoft Microsoft .NET Framework 3.5 Affected: 3.5.0 , < 2.0.50727.8983 & 3.0.30729.8978 (custom)
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Microsoft Microsoft .NET Framework 3.5 AND 4.7.2 Affected: 4.7.0 , < 2.0.50727.9069 & 3.0.30729.9067 & 4.7.4143.0 (custom)
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Microsoft Microsoft .NET Framework 3.5 AND 4.8 Affected: 4.8.0 , < 2.0.50727.9069 & 3.0.30729.9067 & 4.8.4803.0 (custom)
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Microsoft Microsoft .NET Framework 3.5 AND 4.8.1 Affected: 4.8.1 , < 2.0.50727.9182 & 3.0.30729.9168 & 4.8.9339.0 (custom)
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Microsoft Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2 Affected: 4.7.0 , < 4.7.4143.0 (custom)
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Microsoft Microsoft .NET Framework 4.8 Affected: 4.8.0 , < 4.8.4803.0 (custom)
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Microsoft Microsoft .NET Framework 4.8.1 Affected: 4.8.0.0 , < 4.8.9340.0 (custom)
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Microsoft Microsoft Visual Studio 2017 version 15.9 (includes 15.0 - 15.8) Affected: -
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Microsoft Microsoft Visual Studio 2019 version 16.11 (includes 16.0 - 16.10) Affected: -
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Microsoft Microsoft Visual Studio 2022 version 17.12 Affected: 17.12.0 , < 17.12.22 (custom)
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Microsoft Microsoft Visual Studio 2022 version 17.14 Affected: 17.14.0 , < 17.14.36 (custom)
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Microsoft Microsoft Visual Studio 2026 version 18.5 Affected: -
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Microsoft Microsoft Visual Studio 2026 version 18.7 Affected: 18.0 , < 18.7.4 (custom)
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Date Public
2026-07-14 14:00
Show details on NVD website
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      "product_status:fixed": "943",
      "product_status:known_not_affected": "2",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "dotnet: .NET Security Feature Bypass Vulnerability",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-47304.json",
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      "product_status:recommended": "121",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2026-47304",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2026-47304.json",
      "version": "5"
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      "cveMetadata": "{\"cveId\": \"CVE-2026-47304\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-08-03T22:54:08.088Z\", \"dateReserved\": \"2026-05-18T23:53:33.898Z\", \"assignerOrgId\": \"f38d906d-7342-40ea-92c1-6c4a2c6478c8\", \"datePublished\": \"2026-07-14T18:45:33.914Z\", \"assignerShortName\": \"microsoft\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}



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Tags
Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.