CVE-2026-70354 (GCVE-0-2026-70354)
Vulnerability from cvelistv5
Published
2026-08-11 17:07
Modified
2026-10-28 20:08
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
CWE
Summary
Out-of-bounds write in .NET allows an unauthorized attacker to execute code locally.
References
Impacted products
Vendor Product Version
Microsoft .NET 10.0 runtime Version: 10.0.0   < 10.0.11
 Create a notification for this product.
   Microsoft .NET 8.0 runtime Version: 8.0.0   < 8.0.30
 Create a notification for this product.
   Microsoft .NET 9.0 runtime Version: 9.0.0   < 9.0.19
 Create a notification for this product.
   Microsoft Microsoft .NET Framework 3.5 Version: 3.5.0   < 2.0.50727.8984 & 3.0.30729.8980
 Create a notification for this product.
   Microsoft Microsoft .NET Framework 3.5 AND 4.6.2/4.7/4.7.1/4.7.2 Version: 3.0.0.0   < 2.0.50727.8984 & 3.0.30729.8980 & 4.7.4144.0
 Create a notification for this product.
   Microsoft Microsoft .NET Framework 3.5 AND 4.7.2 Version: 4.7.0   < 2.0.50727.9070 & 3.0.30729.9068 & 4.7.4144.0
 Create a notification for this product.
   Microsoft Microsoft .NET Framework 3.5 AND 4.8 Version: 4.8.0   < 2.0.50727.9070 & 3.0.30729.9068 & 4.8.4805.0
 Create a notification for this product.
   Microsoft Microsoft .NET Framework 3.5 AND 4.8.1 Version: 4.8.1   < 2.0.50727.9183 & 3.0.30729.9169 & 4.8.9343.0
 Create a notification for this product.
   Microsoft Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2 Version: 4.7.0   < 4.7.4144.0
 Create a notification for this product.
   Microsoft Microsoft .NET Framework 4.8 Version: 4.8.0   < 4.8.4805.0
 Create a notification for this product.
   Microsoft Microsoft .NET Framework 4.8.1 Version: 4.8.0.0   < 4.8.9344.0
 Create a notification for this product.
   Microsoft Microsoft Visual Studio 2022 version 17.14 Version: 17.14.0   < 17.14.38
 Create a notification for this product.
   Microsoft Microsoft Visual Studio 2026 version 18.8 Version: 18.0   < 18.8.3
 Create a notification for this product.
Show details on NVD website

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true, \"versionEndExcluding\": \"9.0.19\", \"versionStartIncluding\": \"9.0.0\"}, {\"criteria\": \"cpe:2.3:a:microsoft:.net:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"8.0.30\", \"versionStartIncluding\": \"8.0.0\"}, {\"criteria\": \"cpe:2.3:a:microsoft:.net:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"10.0.11\", \"versionStartIncluding\": \"10.0.0\"}, {\"criteria\": \"cpe:2.3:a:microsoft:.net_framework:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"4.8.9344.0\", \"versionStartIncluding\": \"4.8.0.0\"}], \"operator\": \"OR\"}]}], \"providerMetadata\": {\"orgId\": \"f38d906d-7342-40ea-92c1-6c4a2c6478c8\", \"shortName\": \"microsoft\", \"dateUpdated\": \"2026-10-21T20:54:52.565Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2026-70354\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-10-21T20:54:52.565Z\", \"dateReserved\": \"2026-08-04T00:04:56.037Z\", \"assignerOrgId\": \"f38d906d-7342-40ea-92c1-6c4a2c6478c8\", \"datePublished\": \"2026-08-11T17:07:15.162Z\", \"assignerShortName\": \"microsoft\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}


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Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
  • Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.