Vulnerability-Lookup

UBUNTU-CVE-2026-32175 (CVE-2026-32175)

Vulnerability from osv_ubuntu – Published: 2026-05-12 18:16 – Updated: 2026-05-27 19:09 – Source website

Details

A tampering vulnerability exists when .NET Core improperly handles specially crafted files. An attacker who successfully exploited this vulnerability could write arbitrary files and directories to certain locations on a vulnerable system. However, an attacker would have limited control over the destination of the files and directories. To exploit the vulnerability, an attacker must send a specially crafted file to a vulnerable system. The security update fixes the vulnerability by ensuring .NET Core properly handles files.

Severity

4.3 (Medium)


                    
                      CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

N/A (UNKNOWN)


                    
                      medium

References

URL

Type

	https://ubuntu.com/security/CVE-2026-32175	REPORT
	https://www.cve.org/CVERecord?id=CVE-2026-32175	REPORT
	https://msrc.microsoft.com/update-guide/vulnerabi…	REPORT
	https://devblogs.microsoft.com/dotnet/dotnet-and-…	REPORT
	https://github.com/dotnet/announcements/issues/396	REPORT

JSON

To clipboard

{
  "affected": [
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "aspnetcore-runtime-7.0",
            "binary_version": "7.0.119-0ubuntu1~22.04.1"
          },
          {
            "binary_name": "aspnetcore-targeting-pack-7.0",
            "binary_version": "7.0.119-0ubuntu1~22.04.1"
          },
          {
            "binary_name": "dotnet-apphost-pack-7.0",
            "binary_version": "7.0.119-0ubuntu1~22.04.1"
          },
          {
            "binary_name": "dotnet-host-7.0",
            "binary_version": "7.0.119-0ubuntu1~22.04.1"
          },
          {
            "binary_name": "dotnet-hostfxr-7.0",
            "binary_version": "7.0.119-0ubuntu1~22.04.1"
          },
          {
            "binary_name": "dotnet-runtime-7.0",
            "binary_version": "7.0.119-0ubuntu1~22.04.1"
          },
          {
            "binary_name": "dotnet-sdk-7.0",
            "binary_version": "7.0.119-0ubuntu1~22.04.1"
          },
          {
            "binary_name": "dotnet-sdk-7.0-source-built-artifacts",
            "binary_version": "7.0.119-0ubuntu1~22.04.1"
          },
          {
            "binary_name": "dotnet-targeting-pack-7.0",
            "binary_version": "7.0.119-0ubuntu1~22.04.1"
          },
          {
            "binary_name": "dotnet-templates-7.0",
            "binary_version": "7.0.119-0ubuntu1~22.04.1"
          },
          {
            "binary_name": "dotnet7",
            "binary_version": "7.0.119-0ubuntu1~22.04.1"
          },
          {
            "binary_name": "netstandard-targeting-pack-2.1-7.0",
            "binary_version": "7.0.119-0ubuntu1~22.04.1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:22.04:LTS",
        "name": "dotnet7",
        "purl": "pkg:deb/ubuntu/dotnet7@7.0.119-0ubuntu1~22.04.1?arch=source\u0026distro=jammy"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "7.0.105-0ubuntu1~22.04.1",
        "7.0.107-0ubuntu1~22.04.1",
        "7.0.108-0ubuntu1~22.04.1",
        "7.0.109-0ubuntu1~22.04.1",
        "7.0.110-0ubuntu1~22.04.1",
        "7.0.111-0ubuntu1~22.04.1",
        "7.0.112-0ubuntu1~22.04.1",
        "7.0.113-0ubuntu1~22.04.1",
        "7.0.114-0ubuntu1~22.04.1",
        "7.0.115-0ubuntu1~22.04.1",
        "7.0.116-0ubuntu1~22.04.1",
        "7.0.117-0ubuntu1~22.04.1",
        "7.0.117-0ubuntu1~22.04.2",
        "7.0.119-0ubuntu1~22.04.1"
      ]
    }
  ],
  "aliases": [],
  "details": "A tampering vulnerability exists when .NET Core improperly handles specially crafted files. An attacker who successfully exploited this vulnerability could write arbitrary files and directories to certain locations on a vulnerable system. However, an attacker would have limited control over the destination of the files and directories. To exploit the vulnerability, an attacker must send a specially crafted file to a vulnerable system. The security update fixes the vulnerability by ensuring .NET Core properly handles files.",
  "id": "UBUNTU-CVE-2026-32175",
  "modified": "2026-05-27T19:09:47Z",
  "published": "2026-05-12T18:16:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2026-32175"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-32175"
    },
    {
      "type": "REPORT",
      "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-32175"
    },
    {
      "type": "REPORT",
      "url": "https://devblogs.microsoft.com/dotnet/dotnet-and-dotnet-framework-may-2026-servicing-updates"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/dotnet/announcements/issues/396"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N",
      "type": "CVSS_V3"
    },
    {
      "score": "medium",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2026-32175"
  ]
}

CVE-2026-32175 (GCVE-0-2026-32175)

Vulnerability from cvelistv5 – Published: 2026-05-12 16:59 – Updated: 2026-08-10 15:13

Title

.NET Core Tampering Vulnerability

Summary

Severity

4.3 (Medium)


                        
                          CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N/E:U/RL:O/RC:C

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-05-12 19:22 UTC

CWE

CWE-36 - Absolute Path Traversal

Assigner

microsoft mitre root

References

1 reference

URL	Tags
https://msrc.microsoft.com/update-guide/vulnerabi…	vendor-advisorypatch

Impacted products

6 products

Vendor	Product	Version
Microsoft	.NET 10.0	Affected: 10.0.0 , < 10.0.8 (custom)
Microsoft	.NET 8.0	Affected: 8.0.0 , < 8.0.27 (custom)
Microsoft	.NET 9.0	Affected: 9.0.0 , < 9.0.16 (custom)
Microsoft	Microsoft Visual Studio 2022 version 17.12	Affected: 17.12.0 , < 17.12.20 (custom)
Microsoft	Microsoft Visual Studio 2022 version 17.14	Affected: 17.14.0 , < 17.14.32 (custom)
Microsoft	Microsoft Visual Studio 2026 version 18.5	Affected: 18.5.0 , < 18.5.3 (custom)

Date Public

2026-05-12 14:00

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
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            "other": {
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                "id": "CVE-2026-32175",
                "options": [
                  {
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                  },
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                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-05-12T19:22:38.751667Z",
                "version": "2.0.3"
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          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
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      }
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    "cna": {
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              "status": "affected",
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              "versionType": "custom"
            }
          ]
        },
        {
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          "vendor": "Microsoft",
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              "lessThan": "9.0.16",
              "status": "affected",
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              "versionType": "custom"
            }
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        },
        {
          "product": "Microsoft Visual Studio 2022 version 17.12",
          "vendor": "Microsoft",
          "versions": [
            {
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              "version": "17.12.0",
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                  "vulnerable": true
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        }
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      "metrics": [
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          "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-32175"
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    "datePublished": "2026-05-12T16:59:01.649Z",
    "dateReserved": "2026-03-11T00:26:53.424Z",
    "dateUpdated": "2026-08-10T15:13:13.050Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

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.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
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UBUNTU-CVE-2026-32175 (CVE-2026-32175)

CVE-2026-32175 (GCVE-0-2026-32175)

Tags

Sightings

Nomenclature

Related by attack behaviour