CVE-2026-47304

Aliases:GHSA-g8r8-53c2-pm3f
Advisory lineage Upstream: 0 Downstream: 1
PUBLISHED
Published: 14 Jul 2026, 18:45
Last modified:22 Jul 2026, 20:30

Vulnerability Summary

Overall Risk (default)
medium
32/100
CVSS Score
8.1 HIGH
v3.1 (cve.org)
EPSS Score
No data
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

14 Jul 2026, 18:45
Published
Vulnerability first disclosed
22 Jul 2026, 20:30
Last Modified
Vulnerability information updated

Description

Improper verification of cryptographic signature in .NET allows an unauthorized attacker to bypass a security feature over a network.

CVSS Metrics

  • v3.1•HIGH•Score: 8.1CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
  • v3.1•HIGH•Score: 8.1CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Techniques & Countermeasures

  • CWE-347•Improper Verification of Cryptographic Signature

    The product does not verify, or incorrectly verifies, the cryptographic signature for data.

  • CWE-345•Insufficient Verification of Data Authenticity

    The product does not sufficiently verify the origin or authenticity of data, in a way that causes it to accept invalid data.

Affected Systems

  • microsoft•microsoft .net framework 3.5

    ≥ 3.5.0, < 2.0.50727.8983 & 3.0.30729.8978

  • microsoft•microsoft .net framework 3.5 and 4.7.2

    ≥ 4.7.0, < 2.0.50727.9069 & 3.0.30729.9067 & 4.7.4143.0

  • microsoft•microsoft .net framework 3.5 and 4.8

    ≥ 4.8.0, < 2.0.50727.9069 & 3.0.30729.9067 & 4.8.4803.0

  • microsoft•microsoft .net framework 3.5 and 4.8.1

    ≥ 4.8.1, < 2.0.50727.9182 & 3.0.30729.9168 & 4.8.9339.0

  • microsoft•microsoft .net framework 4.6.2/4.7/4.7.1/4.7.2

    ≥ 4.7.0, < 4.7.4143.0

  • microsoft•microsoft .net framework 4.8

    ≥ 4.8.0, < 4.8.4803.0

  • microsoft•microsoft .net framework 4.8.1

    ≥ 4.8.0.0, < 4.8.9340.0

  • microsoft•microsoft visual studio 2017 version 15.9 (includes 15.0 - 15.8)

    -

  • microsoft•microsoft visual studio 2019 version 16.11 (includes 16.0 - 16.10)

    -

  • microsoft•microsoft visual studio 2022 version 17.12

    ≥ 17.12.0, < 17.12.22

  • microsoft•microsoft visual studio 2022 version 17.14

    ≥ 17.14.0, < 17.14.36

  • microsoft•microsoft visual studio 2026 version 18.5

    -

  • microsoft•microsoft visual studio 2026 version 18.7

    ≥ 18.0, < 18.7.4

  • microsoft•.net 10.0

    ≥ 10.0.0, < 10.0.6 | ≥ 10.0.0, < 10.0.10

  • microsoft•.net 8.0

    ≥ 8.0.0, < 8.0.29

  • microsoft•.net 9.0

    ≥ 9.0.0, < 9.0.18

  • NuGet•System.Security.Cryptography.Xml

    ≥ 10.0.0, < 10.0.10 | ≥ 9.0.0, < 9.0.18 | ≥ 8.0.0, < 8.0.4

References (6)