cnvd - cnvd-2025-18817

CNVD-2025-18817

Vulnerability from cnvd - Published: 2025-08-18

Title

Microsoft Word代码执行漏洞（CNVD-2025-18817）

Description

Microsoft Word是美国微软（Microsoft）公司的一套Office套件中的文字处理软件。 Microsoft Word存在代码执行漏洞，该漏洞是由于打开特制文件时出现释放后使用错误造成的。攻击者可利用该漏洞在系统上执行任意代码。

Severity

高

Patch Name

Microsoft Word代码执行漏洞（CNVD-2025-18817）的补丁

Patch Description

Microsoft Word是美国微软（Microsoft）公司的一套Office套件中的文字处理软件。 Microsoft Word存在代码执行漏洞，该漏洞是由于打开特制文件时出现释放后使用错误造成的。攻击者可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

厂商已发布了漏洞修复程序，请及时关注更新： https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-53738

Reference

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-53738

Impacted products

Name
['Microsoft Word 2016', 'Microsoft Office 2019', 'Microsoft 365 Apps for Enterprise', 'Microsoft Office LTSC 2021', 'Microsoft Office LTSC for Mac 2021', 'Microsoft Office 2019', 'Microsoft Microsoft Office LTSC 2024', 'Microsoft Office LTSC for Mac 2024']

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2025-53738",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2025-53738"
    }
  },
  "description": "Microsoft Word\u662f\u7f8e\u56fd\u5fae\u8f6f\uff08Microsoft\uff09\u516c\u53f8\u7684\u4e00\u5957Office\u5957\u4ef6\u4e2d\u7684\u6587\u5b57\u5904\u7406\u8f6f\u4ef6\u3002\n\nMicrosoft Word\u5b58\u5728\u4ee3\u7801\u6267\u884c\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u662f\u7531\u4e8e\u6253\u5f00\u7279\u5236\u6587\u4ef6\u65f6\u51fa\u73b0\u91ca\u653e\u540e\u4f7f\u7528\u9519\u8bef\u9020\u6210\u7684\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5728\u7cfb\u7edf\u4e0a\u6267\u884c\u4efb\u610f\u4ee3\u7801\u3002",
  "formalWay": "\u5382\u5546\u5df2\u53d1\u5e03\u4e86\u6f0f\u6d1e\u4fee\u590d\u7a0b\u5e8f\uff0c\u8bf7\u53ca\u65f6\u5173\u6ce8\u66f4\u65b0\uff1a\r\nhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-53738",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2025-18817",
  "openTime": "2025-08-18",
  "patchDescription": "Microsoft Word\u662f\u7f8e\u56fd\u5fae\u8f6f\uff08Microsoft\uff09\u516c\u53f8\u7684\u4e00\u5957Office\u5957\u4ef6\u4e2d\u7684\u6587\u5b57\u5904\u7406\u8f6f\u4ef6\u3002\r\n\r\nMicrosoft Word\u5b58\u5728\u4ee3\u7801\u6267\u884c\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u662f\u7531\u4e8e\u6253\u5f00\u7279\u5236\u6587\u4ef6\u65f6\u51fa\u73b0\u91ca\u653e\u540e\u4f7f\u7528\u9519\u8bef\u9020\u6210\u7684\u3002\u653b\u51fb\u8005\u53ef\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 Word\u4ee3\u7801\u6267\u884c\u6f0f\u6d1e\uff08CNVD-2025-18817\uff09\u7684\u8865\u4e01",
  "products": {
    "product": [
      "Microsoft Word 2016",
      "Microsoft Office 2019",
      "Microsoft 365 Apps for Enterprise",
      "Microsoft Office LTSC 2021",
      "Microsoft Office LTSC for Mac 2021",
      "Microsoft Office 2019",
      "Microsoft Microsoft Office LTSC 2024",
      "Microsoft Office LTSC for Mac 2024"
    ]
  },
  "referenceLink": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-53738",
  "serverity": "\u9ad8",
  "submitTime": "2025-08-15",
  "title": "Microsoft Word\u4ee3\u7801\u6267\u884c\u6f0f\u6d1e\uff08CNVD-2025-18817\uff09"
}

CVE-2025-53738 (GCVE-0-2025-53738)

Vulnerability from cvelistv5 – Published: 2025-08-12 17:10 – Updated: 2025-11-10 00:12

Summary

Use after free in Microsoft Office Word allows an unauthorized attacker to execute code locally.

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

CWE-416 - Use After Free

Assigner

microsoft

References

URL

Tags

https://msrc.microsoft.com/update-guide/vulnerabi…

vendor-advisory

Impacted products

Vendor

Product

Version

Microsoft

Microsoft Office 2019

Affected: 19.0.0 , < https://aka.ms/OfficeSecurityReleases (custom)

Microsoft	Microsoft 365 Apps for Enterprise	Affected: 16.0.1 , < https://aka.ms/OfficeSecurityReleases (custom)
Microsoft	Microsoft Office LTSC for Mac 2021	Affected: 16.0.1 , < 16.100.25081015 (custom)
Microsoft	Microsoft Office LTSC 2021	Affected: 16.0.1 , < https://aka.ms/OfficeSecurityReleases (custom)
Microsoft	Microsoft Office LTSC 2024	Affected: 16.0.0 , < https://aka.ms/OfficeSecurityReleases (custom)
Microsoft	Microsoft Office LTSC for Mac 2024	Affected: 16.0.0 , < 16.100.25081015 (custom)
Microsoft	Microsoft Word 2016	Affected: 16.0.1 , < 16.0.5513.1000 (custom)

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{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2025-53738",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-08-12T19:53:43.878978Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-08-12T19:53:59.108Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "platforms": [
            "32-bit Systems",
            "x64-based Systems"
          ],
          "product": "Microsoft Office 2019",
          "vendor": "Microsoft",
          "versions": [
            {
              "lessThan": "https://aka.ms/OfficeSecurityReleases",
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              "version": "19.0.0",
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            }
          ]
        },
        {
          "platforms": [
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            "x64-based Systems"
          ],
          "product": "Microsoft 365 Apps for Enterprise",
          "vendor": "Microsoft",
          "versions": [
            {
              "lessThan": "https://aka.ms/OfficeSecurityReleases",
              "status": "affected",
              "version": "16.0.1",
              "versionType": "custom"
            }
          ]
        },
        {
          "platforms": [
            "Unknown"
          ],
          "product": "Microsoft Office LTSC for Mac 2021",
          "vendor": "Microsoft",
          "versions": [
            {
              "lessThan": "16.100.25081015",
              "status": "affected",
              "version": "16.0.1",
              "versionType": "custom"
            }
          ]
        },
        {
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            "32-bit Systems"
          ],
          "product": "Microsoft Office LTSC 2021",
          "vendor": "Microsoft",
          "versions": [
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            }
          ]
        },
        {
          "platforms": [
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            "x64-based Systems"
          ],
          "product": "Microsoft Office LTSC 2024",
          "vendor": "Microsoft",
          "versions": [
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              "status": "affected",
              "version": "16.0.0",
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        },
        {
          "platforms": [
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          ],
          "product": "Microsoft Office LTSC for Mac 2024",
          "vendor": "Microsoft",
          "versions": [
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              "status": "affected",
              "version": "16.0.0",
              "versionType": "custom"
            }
          ]
        },
        {
          "platforms": [
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          ],
          "product": "Microsoft Word 2016",
          "vendor": "Microsoft",
          "versions": [
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              "status": "affected",
              "version": "16.0.1",
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            }
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                  "versionEndExcluding": "https://aka.ms/OfficeSecurityReleases",
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                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:a:microsoft:365_apps:*:*:*:*:enterprise:*:*:*",
                  "versionEndExcluding": "https://aka.ms/OfficeSecurityReleases",
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                  "vulnerable": true
                },
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                  "vulnerable": true
                },
                {
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                  "versionEndExcluding": "https://aka.ms/OfficeSecurityReleases",
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                {
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                },
                {
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                  "versionStartIncluding": "16.0.1",
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              "negate": false,
              "operator": "OR"
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      ],
      "datePublic": "2025-08-12T07:00:00.000Z",
      "descriptions": [
        {
          "lang": "en-US",
          "value": "Use after free in Microsoft Office Word allows an unauthorized attacker to execute code locally."
        }
      ],
      "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/RL:O/RC:C",
            "version": "3.1"
          },
          "format": "CVSS",
          "scenarios": [
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              "lang": "en-US",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
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              "description": "CWE-416: Use After Free",
              "lang": "en-US",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-11-10T00:12:39.939Z",
        "orgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
        "shortName": "microsoft"
      },
      "references": [
        {
          "name": "Microsoft Word Remote Code Execution Vulnerability",
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-53738"
        }
      ],
      "title": "Microsoft Word Remote Code Execution Vulnerability"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
    "assignerShortName": "microsoft",
    "cveId": "CVE-2025-53738",
    "datePublished": "2025-08-12T17:10:35.471Z",
    "dateReserved": "2025-07-09T03:10:34.739Z",
    "dateUpdated": "2025-11-10T00:12:39.939Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

Sightings

Author	Source	Type	Date

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.

Detection rules are retrieved from Rulezet.

Action not permitted

CNVD-2025-18817

CVE-2025-53738 (GCVE-0-2025-53738)

Tags

Sightings

Nomenclature