certfr_avis - certfr-2025-avi-0665

CERTFR-2025-AVI-0665

Vulnerability from certfr_avis

De multiples vulnérabilités ont été découvertes dans Microsoft Office. Elles permettent à un attaquant de provoquer une atteinte à la confidentialité des données.

Solutions

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

None

Impacted products

	Vendor	Product	Description
	Microsoft	N/A	Microsoft 365 Copilot's Business Chat

References

Title

Publication Time

Tags

Bulletin de sécurité Microsoft Office CVE-2025-53774	2025-08-07	vendor-advisory
Bulletin de sécurité Microsoft Office CVE-2025-53787	2025-08-07	vendor-advisory

Show details on source website

JSON

To clipboard

{
  "$ref": "https://www.cert.ssi.gouv.fr/openapi.json",
  "affected_systems": [
    {
      "description": "Microsoft 365 Copilot\u0027s Business Chat",
      "product": {
        "name": "N/A",
        "vendor": {
          "name": "Microsoft",
          "scada": false
        }
      }
    }
  ],
  "affected_systems_content": null,
  "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-2025-53774",
      "url": "https://www.cve.org/CVERecord?id=CVE-2025-53774"
    },
    {
      "name": "CVE-2025-53787",
      "url": "https://www.cve.org/CVERecord?id=CVE-2025-53787"
    }
  ],
  "initial_release_date": "2025-08-08T00:00:00",
  "last_revision_date": "2025-08-08T00:00:00",
  "links": [],
  "reference": "CERTFR-2025-AVI-0665",
  "revisions": [
    {
      "description": "Version initiale",
      "revision_date": "2025-08-08T00:00:00.000000"
    }
  ],
  "risks": [
    {
      "description": "Atteinte \u00e0 la confidentialit\u00e9 des donn\u00e9es"
    }
  ],
  "summary": "De multiples vuln\u00e9rabilit\u00e9s ont \u00e9t\u00e9 d\u00e9couvertes dans Microsoft Office. Elles permettent \u00e0 un attaquant de provoquer une atteinte \u00e0 la confidentialit\u00e9 des donn\u00e9es.",
  "title": "Multiples vuln\u00e9rabilit\u00e9s dans Microsoft Office",
  "vendor_advisories": [
    {
      "published_at": "2025-08-07",
      "title": "Bulletin de s\u00e9curit\u00e9 Microsoft Office CVE-2025-53774",
      "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-53774"
    },
    {
      "published_at": "2025-08-07",
      "title": "Bulletin de s\u00e9curit\u00e9 Microsoft Office CVE-2025-53787",
      "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-53787"
    }
  ]
}

CVE-2025-53774 (GCVE-0-2025-53774)

Vulnerability from cvelistv5

Published

2025-08-07 21:01

Modified

2025-11-10 00:12

Severity ?

6.5 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C

CWE

CWE-77 - Improper Neutralization of Special Elements used in a Command ('Command Injection')

Summary

Microsoft 365 Copilot BizChat Information Disclosure Vulnerability

References

URL

Tags

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-53774

vendor-advisory

Impacted products

	Vendor	Product	Version
	Microsoft	Microsoft 365 Copilot's Business Chat	Version: N/A

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2025-53774",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-08-12T00:00:00+00:00",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-08-13T15:04:01.186Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "platforms": [
            "Unknown"
          ],
          "product": "Microsoft 365 Copilot\u0027s Business Chat",
          "vendor": "Microsoft",
          "versions": [
            {
              "status": "affected",
              "version": "N/A"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:a:microsoft:365_copilot_business_chat:*:*:*:*:*:*:*:*",
                  "versionStartIncluding": "N/A",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "datePublic": "2025-08-07T07:00:00.000Z",
      "descriptions": [
        {
          "lang": "en-US",
          "value": "Microsoft 365 Copilot BizChat Information Disclosure Vulnerability"
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "baseScore": 6.5,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C",
            "version": "3.1"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en-US",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-77",
              "description": "CWE-77: Improper Neutralization of Special Elements used in a Command (\u0027Command Injection\u0027)",
              "lang": "en-US",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-11-10T00:12:50.785Z",
        "orgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
        "shortName": "microsoft"
      },
      "references": [
        {
          "name": "Microsoft 365 Copilot BizChat Information Disclosure Vulnerability",
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-53774"
        }
      ],
      "tags": [
        "exclusively-hosted-service"
      ],
      "title": "Microsoft 365 Copilot BizChat Information Disclosure Vulnerability"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
    "assignerShortName": "microsoft",
    "cveId": "CVE-2025-53774",
    "datePublished": "2025-08-07T21:01:03.348Z",
    "dateReserved": "2025-07-09T13:25:25.501Z",
    "dateUpdated": "2025-11-10T00:12:50.785Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

CVE-2025-53787 (GCVE-0-2025-53787)

Vulnerability from cvelistv5

Published

2025-08-07 21:01

Modified

2025-11-10 00:12

Severity ?

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

CWE

CWE-77 - Improper Neutralization of Special Elements used in a Command ('Command Injection')

Summary

Microsoft 365 Copilot BizChat Information Disclosure Vulnerability

References

URL

Tags

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-53787

vendor-advisory

Impacted products

	Vendor	Product	Version
	Microsoft	Microsoft 365 Copilot's Business Chat	Version: N/A

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2025-53787",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-08-12T00:00:00+00:00",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-08-13T15:04:03.326Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "platforms": [
            "Unknown"
          ],
          "product": "Microsoft 365 Copilot\u0027s Business Chat",
          "vendor": "Microsoft",
          "versions": [
            {
              "status": "affected",
              "version": "N/A"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:a:microsoft:365_copilot_business_chat:*:*:*:*:*:*:*:*",
                  "versionStartIncluding": "N/A",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "datePublic": "2025-08-07T07:00:00.000Z",
      "descriptions": [
        {
          "lang": "en-US",
          "value": "Microsoft 365 Copilot BizChat Information Disclosure Vulnerability"
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "baseScore": 8.2,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N/E:U/RL:O/RC:C",
            "version": "3.1"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en-US",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-77",
              "description": "CWE-77: Improper Neutralization of Special Elements used in a Command (\u0027Command Injection\u0027)",
              "lang": "en-US",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-11-10T00:12:51.515Z",
        "orgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
        "shortName": "microsoft"
      },
      "references": [
        {
          "name": "Microsoft 365 Copilot BizChat Information Disclosure Vulnerability",
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-53787"
        }
      ],
      "tags": [
        "exclusively-hosted-service"
      ],
      "title": "Microsoft 365 Copilot BizChat Information Disclosure Vulnerability"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
    "assignerShortName": "microsoft",
    "cveId": "CVE-2025-53787",
    "datePublished": "2025-08-07T21:01:04.272Z",
    "dateReserved": "2025-07-09T13:40:07.624Z",
    "dateUpdated": "2025-11-10T00:12:51.515Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

Tags

Taxonomy of the tags.

All sightings related to this event Export sightings related to this event

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-2025-AVI-0665

Vulnerability from certfr_avis

Solutions

CVE-2025-53774 (GCVE-0-2025-53774)

Vulnerability from cvelistv5

CVE-2025-53787 (GCVE-0-2025-53787)

Vulnerability from cvelistv5

Tags

Sightings

Nomenclature