CVE-2026-70354 (GCVE-0-2026-70354)

Vulnerability from cvelistv5 – Published: 2026-08-11 17:07 – Updated: 2026-09-29 20:22
VLAI
Title
.NET Core Remote Code Execution Vulnerability
Summary
Out-of-bounds write in .NET allows an unauthorized attacker to execute code locally.
Severity
7.8 (High)
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-12 16:10 UTC
CWE
Assigner
References
Impacted products
Vendor Product Version
Microsoft .NET 10.0 Affected: 10.0.0 , < 10.0.11 (custom)
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Microsoft .NET 8.0 Affected: 8.0.0 , < 8.0.30 (custom)
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Microsoft .NET 9.0 Affected: 9.0.0 , < 9.0.19 (custom)
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Microsoft Microsoft .NET Framework 3.5 Affected: 3.5.0 , < 2.0.50727.8984 & 3.0.30729.8980 (custom)
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Microsoft Microsoft .NET Framework 3.5 AND 4.6.2/4.7/4.7.1/4.7.2 Affected: 3.0.0.0 , < 2.0.50727.8984 & 3.0.30729.8980 & 4.7.4144.0 (custom)
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Microsoft Microsoft .NET Framework 3.5 AND 4.7.2 Affected: 4.7.0 , < 2.0.50727.9070 & 3.0.30729.9068 & 4.7.4144.0 (custom)
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Microsoft Microsoft .NET Framework 3.5 AND 4.8 Affected: 4.8.0 , < 2.0.50727.9070 & 3.0.30729.9068 & 4.8.4805.0 (custom)
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Microsoft Microsoft .NET Framework 3.5 AND 4.8.1 Affected: 4.8.1 , < 2.0.50727.9183 & 3.0.30729.9169 & 4.8.9343.0 (custom)
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Microsoft Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2 Affected: 4.7.0 , < 4.7.4144.0 (custom)
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Microsoft Microsoft .NET Framework 4.8 Affected: 4.8.0 , < 4.8.4805.0 (custom)
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Microsoft Microsoft .NET Framework 4.8.1 Affected: 4.8.0.0 , < 4.8.9344.0 (custom)
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Microsoft Microsoft Visual Studio 2022 version 17.14 Affected: 17.14.0 , < 17.14.38 (custom)
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Microsoft Microsoft Visual Studio 2026 version 18.8 Affected: 18.0 , < 18.8.3 (custom)
Create a notification for this product.
Date Public
2026-08-11 14:00
Show details on NVD website
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    }
  }
}



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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.


Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.