November 13, 2026 Follow Egret
CVE-2023-36761 · CVE record: PUBLISHED

Microsoft Word Information Disclosure Vulnerability

Microsoft Microsoft Office 2019, Microsoft Microsoft 365 Apps for Enterprise, Microsoft Microsoft Office LTSC 2021, Microsoft Microsoft Word 2016, Microsoft Microsoft Word 2013 Service Pack 1

Microsoft Word Information Disclosure Vulnerability

Exploitation evidence

Known exploited · CISA KEV listed

Added 2023-09-12. Ransomware campaign use: Unknown.

CISA required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

CISA due date: 2023-10-03. This is the catalog’s deadline, not an assessment of your organization’s exposure.

KEV checked 13 Nov 2026, 00:20 Jerusalem · Original catalog ↗

Reported products and versions

Microsoft / Microsoft Office 2019

Default status: Not specified

  • affected: 19.0.0 to < https://aka.ms/OfficeSecurityReleases (custom)

Microsoft / Microsoft 365 Apps for Enterprise

Default status: Not specified

  • affected: 16.0.1 to < https://aka.ms/OfficeSecurityReleases (custom)

Microsoft / Microsoft Office LTSC 2021

Default status: Not specified

  • affected: 16.0.1 to < https://aka.ms/OfficeSecurityReleases (custom)

Microsoft / Microsoft Word 2016

Default status: Not specified

  • affected: 16.0.1 to < 16.0.5413.1000 (custom)

Microsoft / Microsoft Word 2013 Service Pack 1

Default status: Not specified

  • affected: 15.0.1 to < 15.0.5589.1001 (custom)

Microsoft / Microsoft Word 2013 Service Pack 1

Default status: Not specified

  • affected: 15.0.1 to < 15.0.5589.1001 (custom)

Fixes and workarounds

No explicit solution text in the downloaded CVE record. Consult the vendor advisory; unaffected version ranges are shown above as reported, not inferred as a patch recommendation.

Sources and related reporting

CVE Program record ↗ · Download tracked evidence as JSON

Observed change timeline

History begins when Egret first downloads each source. It is not the complete upstream CVE history.

12 Nov 2026, 18:20 Jerusalem · EPSS observation updated

Stored EPSS snapshot at this observation.

{
  "date": "2026-11-12",
  "epss": 0.1957,
  "percentile": 0.9742
}
10 Nov 2026, 18:20 Jerusalem · EPSS observation updated

Stored EPSS snapshot at this observation.

{
  "date": "2026-11-10",
  "epss": 0.1957,
  "percentile": 0.97404
}
09 Nov 2026, 18:20 Jerusalem · EPSS observation updated

Stored EPSS snapshot at this observation.

{
  "date": "2026-11-09",
  "epss": 0.1957,
  "percentile": 0.97401
}
08 Nov 2026, 18:20 Jerusalem · EPSS observation updated

Stored EPSS snapshot at this observation.

{
  "date": "2026-11-08",
  "epss": 0.1957,
  "percentile": 0.97399
}
07 Nov 2026, 18:20 Jerusalem · EPSS observation updated

Stored EPSS snapshot at this observation.

{
  "date": "2026-11-07",
  "epss": 0.1957,
  "percentile": 0.97398
}
06 Nov 2026, 18:20 Jerusalem · EPSS observation updated

Stored EPSS snapshot at this observation.

{
  "date": "2026-11-06",
  "epss": 0.1957,
  "percentile": 0.97395
}
06 Nov 2026, 06:20 Jerusalem · EPSS observation updated

Stored EPSS snapshot at this observation.

{
  "date": "2026-11-05",
  "epss": 0.1957,
  "percentile": 0.97393
}
04 Nov 2026, 18:20 Jerusalem · EPSS observation updated

Stored EPSS snapshot at this observation.

{
  "date": "2026-11-04",
  "epss": 0.1957,
  "percentile": 0.97391
}
04 Nov 2026, 18:20 Jerusalem · CVE Program record changed

Stored CNA snapshot at this observation.

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-02T17:01:07.895Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "name": "Microsoft Word Information Disclosure Vulnerability",
            "tags": [
              "vendor-advisory",
              "x_transferred"
            ],
            "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-36761"
          }
        ],
        "title": "CVE Program Container"
      },
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2023-36761",
                "options": [
                  {
                    "Exploitation": "active"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-02-04T16:34:29.334276Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          },
          {
            "other": {
              "content": {
                "dateAdded": "2023-09-12",
                "reference": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-36761"
              },
              "type": "kev"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-10-21T23:05:38.139Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "references": [
          {
            "tags": [
              "government-resource"
            ],
            "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-36761"
          }
        ],
        "timeline": [
          {
            "lang": "en",
            "time": "2023-09-12T00:00:00.000Z",
            "value": "CVE-2023-36761 added to CISA KEV"
          }
        ],
        "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",
              "status": "affected",
              "version": "19.0.0",
              "versionType": "custom"
            }
          ]
        },
        {
          "platforms": [
            "32-bit Systems",
            "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": [
            "x64-based Systems",
            "32-bit Systems"
          ],
          "product": "Microsoft Office LTSC 2021",
          "vendor": "Microsoft",
          "versions": [
            {
              "lessThan": "https://aka.ms/OfficeSecurityReleases",
              "status": "affected",
              "version": "16.0.1",
              "versionType": "custom"
            }
          ]
        },
        {
          "platforms": [
            "32-bit Systems",
            "x64-based Systems"
          ],
          "product": "Microsoft Word 2016",
          "vendor": "Microsoft",
          "versions": [
            {
              "lessThan": "16.0.5413.1000",
              "status": "affected",
              "version": "16.0.1",
              "versionType": "custom"
            }
          ]
        },
        {
          "platforms": [
            "ARM64-based Systems",
            "32-bit Systems"
          ],
          "product": "Microsoft Word 2013 Service Pack 1",
          "vendor": "Microsoft",
          "versions": [
            {
              "lessThan": "15.0.5589.1001",
              "status": "affected",
              "version": "15.0.1",
              "versionType": "custom"
            }
          ]
        },
        {
          "platforms": [
            "x64-based Systems"
          ],
          "product": "Microsoft Word 2013 Service Pack 1",
          "vendor": "Microsoft",
          "versions": [
            {
              "lessThan": "15.0.5589.1001",
              "status": "affected",
              "version": "15.0.1",
              "versionType": "custom"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:a:microsoft:office:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "https://aka.ms/OfficeSecurityReleases",
                  "versionStartIncluding": "19.0.0",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:a:microsoft:365_apps:*:*:*:*:enterprise:*:*:*",
                  "versionEndExcluding": "https://aka.ms/OfficeSecurityReleases",
                  "versionStartIncluding": "16.0.1",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:a:microsoft:office_long_term_servicing_channel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "https://aka.ms/OfficeSecurityReleases",
                  "versionStartIncluding": "16.0.1",
                  "vulnerable": true
                },
                {
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                },
                {
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                  "versionEndExcluding": "15.0.5589.1001",
                  "versionStartIncluding": "15.0.1",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:a:microsoft:word:*:sp1:*:*:*:*:*:*",
                  "versionEndExcluding": "15.0.5589.1001",
                  "versionStartIncluding": "15.0.1",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "datePublic": "2023-09-12T07:00:00.000Z",
      "descriptions": [
        {
          "lang": "en-US",
          "value": "Microsoft Word Information Disclosure Vulnerability"
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "baseScore": 6.5,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N/E:P/RL:O/RC:C",
            "version": "3.1"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en-US",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-20",
              "description": "CWE-20: Improper Input Validation",
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          ]
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      ],
      "providerMetadata": {
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        "orgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
        "shortName": "microsoft"
      },
      "references": [
        {
          "name": "Microsoft Word Information Disclosure Vulnerability",
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-36761"
        }
      ],
      "title": "Microsoft Word Information Disclosure Vulnerability"
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  "cveMetadata": {
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    "datePublished": "2023-09-12T16:58:46.043Z",
    "dateReserved": "2023-06-27T15:11:59.868Z",
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    "state": "PUBLISHED"
  },
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}
03 Nov 2026, 18:20 Jerusalem · EPSS observation updated

Stored EPSS snapshot at this observation.

{
  "date": "2026-11-03",
  "epss": 0.1957,
  "percentile": 0.97386
}
03 Nov 2026, 02:22 Jerusalem · EPSS observation updated

Stored EPSS snapshot at this observation.

{
  "date": "2026-11-02",
  "epss": 0.1957,
  "percentile": 0.97382
}
03 Nov 2026, 02:22 Jerusalem · CISA KEV status changed

Stored KEV snapshot at this observation.

{
  "cveID": "CVE-2023-36761",
  "cwes": [
    "CWE-668"
  ],
  "dateAdded": "2023-09-12",
  "dueDate": "2023-10-03",
  "forensicTriage": "No",
  "knownRansomwareCampaignUse": "Unknown",
  "notes": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-36761;  https://nvd.nist.gov/vuln/detail/CVE-2023-36761",
  "product": "Word",
  "requiredAction": "Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.",
  "shortDescription": "Microsoft Word contains an unspecified vulnerability that allows for information disclosure.",
  "vendorProject": "Microsoft",
  "vulnerabilityName": "Microsoft Word Information Disclosure Vulnerability"
}
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