Vulnerability-Lookup

CNVD-2026-00043

Vulnerability from cnvd - Published: 2026-01-04

Title

Microsoft Outlook代码执行漏洞（CNVD-2026-00043）

Description

Microsoft Outlook是美国微软（Microsoft）公司的一套电子邮件应用程序。 Microsoft Outlook存在代码执行漏洞，攻击者利用该漏洞在系统上执行任意代码。

Severity

中

Patch Name

Microsoft Outlook代码执行漏洞（CNVD-2026-00043）的补丁

Patch Description

Microsoft Outlook是美国微软（Microsoft）公司的一套电子邮件应用程序。 Microsoft Outlook存在代码执行漏洞，攻击者利用该漏洞在系统上执行任意代码。目前，供应商发布了安全公告及相关补丁信息，修复了此漏洞。

Formal description

目前厂商已发布升级补丁以修复漏洞，详情请关注厂商主页： https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21361

Reference

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21361 https://nvd.nist.gov/vuln/detail/CVE-2025-21361

Impacted products

Name
['Microsoft Office LTSC for Mac 2021', 'Microsoft Office LTSC for Mac 2024', 'Microsoft Outlook for Mac']

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2025-21361",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2025-21361"
    }
  },
  "description": "Microsoft Outlook\u662f\u7f8e\u56fd\u5fae\u8f6f\uff08Microsoft\uff09\u516c\u53f8\u7684\u4e00\u5957\u7535\u5b50\u90ae\u4ef6\u5e94\u7528\u7a0b\u5e8f\u3002\n\nMicrosoft Outlook\u5b58\u5728\u4ee3\u7801\u6267\u884c\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u5229\u7528\u8be5\u6f0f\u6d1e\u5728\u7cfb\u7edf\u4e0a\u6267\u884c\u4efb\u610f\u4ee3\u7801\u3002",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u53d1\u5e03\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u6f0f\u6d1e\uff0c\u8be6\u60c5\u8bf7\u5173\u6ce8\u5382\u5546\u4e3b\u9875\uff1a\r\nhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21361",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2026-00043",
  "openTime": "2026-01-04",
  "patchDescription": "Microsoft Outlook\u662f\u7f8e\u56fd\u5fae\u8f6f\uff08Microsoft\uff09\u516c\u53f8\u7684\u4e00\u5957\u7535\u5b50\u90ae\u4ef6\u5e94\u7528\u7a0b\u5e8f\u3002\r\n\r\nMicrosoft Outlook\u5b58\u5728\u4ee3\u7801\u6267\u884c\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u5229\u7528\u8be5\u6f0f\u6d1e\u5728\u7cfb\u7edf\u4e0a\u6267\u884c\u4efb\u610f\u4ee3\u7801\u3002\u76ee\u524d\uff0c\u4f9b\u5e94\u5546\u53d1\u5e03\u4e86\u5b89\u5168\u516c\u544a\u53ca\u76f8\u5173\u8865\u4e01\u4fe1\u606f\uff0c\u4fee\u590d\u4e86\u6b64\u6f0f\u6d1e\u3002",
  "patchName": "Microsoft Outlook\u4ee3\u7801\u6267\u884c\u6f0f\u6d1e\uff08CNVD-2026-00043\uff09\u7684\u8865\u4e01",
  "products": {
    "product": [
      "Microsoft Office LTSC for Mac 2021",
      "Microsoft Office LTSC for Mac 2024",
      "Microsoft Outlook for Mac"
    ]
  },
  "referenceLink": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21361\r\nhttps://nvd.nist.gov/vuln/detail/CVE-2025-21361",
  "serverity": "\u4e2d",
  "submitTime": "2025-02-14",
  "title": "Microsoft Outlook\u4ee3\u7801\u6267\u884c\u6f0f\u6d1e\uff08CNVD-2026-00043\uff09"
}

CVE-2025-21361 (GCVE-0-2025-21361)

Vulnerability from cvelistv5 – Published: 2025-01-14 18:04 – Updated: 2026-06-09 18:30

Title

Microsoft Outlook Remote Code Execution Vulnerability

Summary

Microsoft Outlook Remote Code Execution Vulnerability

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/RC:C

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2025-02-06 04:55 UTC

CWE

CWE-641 - Improper Restriction of Names for Files and Other Resources

Assigner

microsoft mitre root Scorecard

References

1 reference

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

Impacted products

3 products

Vendor	Product	Version
Microsoft	Microsoft Office LTSC for Mac 2021	Affected: 16.0.1 , < 16.93.25011212 (custom)
Microsoft	Microsoft Office LTSC for Mac 2024	Affected: 16.0.0 , < 16.93.25011212 (custom)
Microsoft	Microsoft Outlook for Mac	Affected: 1.0.0 , < 16.93 (custom)

Date Public

2025-01-14 08:00

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2025-21361",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-02-06T04:55:36.970339Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-02-26T19:09:11.962Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "Microsoft Office LTSC for Mac 2021",
          "vendor": "Microsoft",
          "versions": [
            {
              "lessThan": "16.93.25011212",
              "status": "affected",
              "version": "16.0.1",
              "versionType": "custom"
            }
          ]
        },
        {
          "product": "Microsoft Office LTSC for Mac 2024",
          "vendor": "Microsoft",
          "versions": [
            {
              "lessThan": "16.93.25011212",
              "status": "affected",
              "version": "16.0.0",
              "versionType": "custom"
            }
          ]
        },
        {
          "product": "Microsoft Outlook for Mac",
          "vendor": "Microsoft",
          "versions": [
            {
              "lessThan": "16.93",
              "status": "affected",
              "version": "1.0.0",
              "versionType": "custom"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:a:microsoft:office_macos_2021:*:*:*:*:*:long_term_servicing_channel:*:*",
                  "versionEndExcluding": "16.93.25011212",
                  "versionStartIncluding": "16.0.1",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:a:microsoft:outlook:*:*:*:*:*:macos:*:*",
                  "versionEndExcluding": "16.93",
                  "versionStartIncluding": "1.0.0",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:a:microsoft:office_macos_2024:*:*:*:*:*:long_term_servicing_channel:*:*",
                  "versionEndExcluding": "16.93.25011212",
                  "versionStartIncluding": "16.0.0",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "datePublic": "2025-01-14T08:00:00.000Z",
      "descriptions": [
        {
          "lang": "en-US",
          "value": "Microsoft Outlook Remote Code Execution Vulnerability"
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "baseScore": 7.8,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RC:C",
            "version": "3.1"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en-US",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-641",
              "description": "CWE-641: Improper Restriction of Names for Files and Other Resources",
              "lang": "en-US",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-06-09T18:30:04.089Z",
        "orgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
        "shortName": "microsoft"
      },
      "references": [
        {
          "name": "Microsoft Outlook Remote Code Execution Vulnerability",
          "tags": [
            "vendor-advisory",
            "patch"
          ],
          "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21361"
        }
      ],
      "title": "Microsoft Outlook Remote Code Execution Vulnerability"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
    "assignerShortName": "microsoft",
    "cveId": "CVE-2025-21361",
    "datePublished": "2025-01-14T18:04:43.571Z",
    "dateReserved": "2024-12-11T00:29:48.358Z",
    "dateUpdated": "2026-06-09T18:30:04.089Z",
    "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.
Browse all ATT&CK techniques and the vulnerabilities related to each.

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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.

Action not permitted

CNVD-2026-00043

CVE-2025-21361 (GCVE-0-2025-21361)

Tags

Sightings

Nomenclature

Related by attack behaviour