certfr_avis - certfr-2026-avi-1441

CERTFR-2026-AVI-1441

Vulnerability from certfr_avis

Une vulnérabilité a été découverte dans Microsoft Visual Studio. Elle permet à un attaquant de provoquer un contournement de la politique de sécurité.

Solutions

Se référer au bulletin de sécurité de l'éditeur pour l'obtention des correctifs (cf. section Documentation).

Impacted products

Vendor	Product	Description
Microsoft	Visual Studio Code	Microsoft Visual Studio 2019 version 16.11 antérieures à 16.11.62
Microsoft	Visual Studio Code	Microsoft Visual Studio 2026 version 18.11 antérieures à 18.11.3
Microsoft	Visual Studio Code	Microsoft Visual Studio 2022 version 17.14 antérieures à 17.14.44
Microsoft	Visual Studio Code	Microsoft Visual Studio 2017 version 15.9 antérieures à 15.9.84

References

Title

Publication Time

Tags

Bulletin de sécurité Microsoft CVE-2026-118147

2026-10-30

vendor-advisory

Show details on source website

JSON

To clipboard

{
  "$ref": "https://www.cert.ssi.gouv.fr/openapi.json",
  "affected_systems": [
    {
      "description": "Microsoft Visual Studio 2019 version 16.11 ant\u00e9rieures \u00e0 16.11.62",
      "product": {
        "name": "Visual Studio Code",
        "vendor": {
          "name": "Microsoft",
          "scada": false
        }
      }
    },
    {
      "description": "Microsoft Visual Studio 2026 version 18.11 ant\u00e9rieures \u00e0 18.11.3",
      "product": {
        "name": "Visual Studio Code",
        "vendor": {
          "name": "Microsoft",
          "scada": false
        }
      }
    },
    {
      "description": "Microsoft Visual Studio 2022 version 17.14 ant\u00e9rieures \u00e0 17.14.44",
      "product": {
        "name": "Visual Studio Code",
        "vendor": {
          "name": "Microsoft",
          "scada": false
        }
      }
    },
    {
      "description": "Microsoft Visual Studio 2017 version 15.9 ant\u00e9rieures \u00e0 15.9.84",
      "product": {
        "name": "Visual Studio Code",
        "vendor": {
          "name": "Microsoft",
          "scada": false
        }
      }
    }
  ],
  "affected_systems_content": "",
  "content": "## Solutions\n\nSe r\u00e9f\u00e9rer au bulletin de s\u00e9curit\u00e9 de l\u0027\u00e9diteur pour l\u0027obtention des correctifs (cf. section Documentation).",
  "cves": [
    {
      "name": "CVE-2026-118147",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-118147"
    }
  ],
  "initial_release_date": "2026-11-02T00:00:00",
  "last_revision_date": "2026-11-02T00:00:00",
  "links": [],
  "reference": "CERTFR-2026-AVI-1441",
  "revisions": [
    {
      "description": "Version initiale",
      "revision_date": "2026-11-02T00:00:00.000000"
    }
  ],
  "risks": [
    {
      "description": "Contournement de la politique de s\u00e9curit\u00e9"
    }
  ],
  "summary": "Une vuln\u00e9rabilit\u00e9 a \u00e9t\u00e9 d\u00e9couverte dans Microsoft Visual Studio. Elle permet \u00e0 un attaquant de provoquer un contournement de la politique de s\u00e9curit\u00e9.",
  "title": "Vuln\u00e9rabilit\u00e9 dans Microsoft Visual Studio",
  "vendor_advisories": [
    {
      "published_at": "2026-10-30",
      "title": "Bulletin de s\u00e9curit\u00e9 Microsoft CVE-2026-118147",
      "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-118147"
    }
  ]
}

CVE-2026-118147 (GCVE-0-2026-118147)

Vulnerability from cvelistv5

Published

2026-10-31 18:13

Modified

2026-10-31 18:13

Severity ?

7.4 (High) - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N/E:U/RL:O/RC:C

CWE

CWE-295 - Improper Certificate Validation

Summary

Improper certificate validation in Visual Studio allows an unauthorized attacker to perform spoofing over a network.

References

URL

Tags

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-118147

vendor-advisory, patch

Impacted products

Vendor

Product

Version

Microsoft

Microsoft Visual Studio 2017 version 15.9

Version: 15.9.0 < 15.9.84

Microsoft	Microsoft Visual Studio 2019 version 16.11	Version: 16.11.0 < 16.11.62
Microsoft	Microsoft Visual Studio 2022 version 17.14	Version: 17.14.0 < 17.14.44
Microsoft	Microsoft Visual Studio 2026 version 18.11	Version: 18.11.0 < 18.11.3

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "cna": {
      "affected": [
        {
          "product": "Microsoft Visual Studio 2017 version 15.9",
          "vendor": "Microsoft",
          "versions": [
            {
              "lessThan": "15.9.84",
              "status": "affected",
              "version": "15.9.0",
              "versionType": "custom"
            }
          ]
        },
        {
          "product": "Microsoft Visual Studio 2019 version 16.11",
          "vendor": "Microsoft",
          "versions": [
            {
              "lessThan": "16.11.62",
              "status": "affected",
              "version": "16.11.0",
              "versionType": "custom"
            }
          ]
        },
        {
          "product": "Microsoft Visual Studio 2022 version 17.14",
          "vendor": "Microsoft",
          "versions": [
            {
              "lessThan": "17.14.44",
              "status": "affected",
              "version": "17.14.0",
              "versionType": "custom"
            }
          ]
        },
        {
          "product": "Microsoft Visual Studio 2026 version 18.11",
          "vendor": "Microsoft",
          "versions": [
            {
              "lessThan": "18.11.3",
              "status": "affected",
              "version": "18.11.0",
              "versionType": "custom"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:a:microsoft:microsoft_visual_studio_2026_version_18.11:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "18.11.3",
                  "versionStartIncluding": "18.11.0",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:a:microsoft:microsoft_visual_studio_2017_version_15.9:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "15.9.84",
                  "versionStartIncluding": "15.9.0",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:a:microsoft:microsoft_visual_studio_2019_version_16.11:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "16.11.62",
                  "versionStartIncluding": "16.11.0",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:a:microsoft:visual_studio_2022:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "17.14.44",
                  "versionStartIncluding": "17.14.0",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "datePublic": "2026-10-30T14:00:00.000Z",
      "descriptions": [
        {
          "lang": "en-US",
          "value": "Improper certificate validation in Visual Studio allows an unauthorized attacker to perform spoofing over a network."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "baseScore": 7.4,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N/E:U/RL:O/RC:C",
            "version": "3.1"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en-US",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-295",
              "description": "CWE-295: Improper Certificate Validation",
              "lang": "en-US",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-10-31T18:13:37.059Z",
        "orgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
        "shortName": "microsoft"
      },
      "references": [
        {
          "name": "Visual Studio Spoofing Vulnerability",
          "tags": [
            "vendor-advisory",
            "patch"
          ],
          "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-118147"
        }
      ],
      "title": "Visual Studio Spoofing Vulnerability"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
    "assignerShortName": "microsoft",
    "cveId": "CVE-2026-118147",
    "datePublished": "2026-10-31T18:13:37.059Z",
    "dateReserved": "2026-10-27T17:35:36.727Z",
    "dateUpdated": "2026-10-31T18:13:37.059Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

Sightings

Author	Source	Type	Date

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.

Action not permitted

CERTFR-2026-AVI-1441

Vulnerability from certfr_avis

Solutions

CVE-2026-118147 (GCVE-0-2026-118147)

Vulnerability from cvelistv5

Tags

Sightings

Nomenclature