FKIE_CVE-2023-21716
Vulnerability from fkie_nvd - Published: 2023-02-14 20:15 - Updated: 2026-06-17 05:33
Severity
9.8 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
9.8 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
9.8 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Summary
Microsoft Word Remote Code Execution Vulnerability
References
| URL | Tags | ||
|---|---|---|---|
| secure@microsoft.com | https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-21716 | Patch, Vendor Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-21716 | Patch, Vendor Advisory |
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| microsoft | office | 2019 | |
| microsoft | office_long_term_servicing_channel | 2021 | |
| microsoft | office_online_server | 2016 | |
| microsoft | office_web_apps | 2013 | |
| microsoft | sharepoint_enterprise_server | 2013 | |
| microsoft | sharepoint_enterprise_server | 2016 | |
| microsoft | sharepoint_foundation | 2013 | |
| microsoft | sharepoint_server | - | |
| microsoft | sharepoint_server | - | |
| microsoft | sharepoint_server | 2019 | |
| microsoft | word | 2013 | |
| microsoft | word | 2013 |
{
"affected": [
{
"affectedData": [
{
"platforms": [
"Unknown"
],
"product": "Microsoft Office LTSC for Mac 2021",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "16.70.23021201",
"status": "affected",
"version": "16.0.1",
"versionType": "custom"
}
]
},
{
"platforms": [
"32-bit Systems",
"x64-based Systems"
],
"product": "Microsoft Office LTSC 2021",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "https://aka.ms/OfficeSecurityReleases",
"status": "affected",
"version": "16.0.1",
"versionType": "custom"
}
]
},
{
"platforms": [
"x64-based Systems"
],
"product": "Microsoft SharePoint Server Subscription Edition",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "16.0.15601.20478",
"status": "affected",
"version": "16.0.0",
"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"
],
"product": "SharePoint Server Subscription Edition Language Pack",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "16.0.15601.20478",
"status": "affected",
"version": "16.0.0",
"versionType": "custom"
}
]
},
{
"platforms": [
"Unknown"
],
"product": "Microsoft Office Online Server",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "16.0.10395.20001",
"status": "affected",
"version": "16.0.1",
"versionType": "custom"
}
]
},
{
"platforms": [
"Unknown"
],
"product": "Microsoft Office 2019 for Mac",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "16.70.23021201",
"status": "affected",
"version": "16.0.0",
"versionType": "custom"
}
]
},
{
"platforms": [
"x64-based Systems",
"32-bit Systems"
],
"product": "Microsoft Office 2019",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "https://aka.ms/OfficeSecurityReleases",
"status": "affected",
"version": "19.0.0",
"versionType": "custom"
}
]
},
{
"platforms": [
"x64-based Systems"
],
"product": "Microsoft SharePoint Enterprise Server 2016",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "16.0.5383.1000",
"status": "affected",
"version": "16.0.0",
"versionType": "custom"
}
]
},
{
"platforms": [
"x64-based Systems"
],
"product": "Microsoft SharePoint Enterprise Server 2013 Service Pack 1",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "15.0.5529.1000",
"status": "affected",
"version": "15.0.0",
"versionType": "custom"
}
]
},
{
"platforms": [
"x64-based Systems"
],
"product": "Microsoft SharePoint Server 2019",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "16.0.10395.20001",
"status": "affected",
"version": "16.0.0",
"versionType": "custom"
}
]
},
{
"platforms": [
"x64-based Systems",
"32-bit Systems"
],
"product": "Microsoft Word 2016",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "16.0.5383.1000",
"status": "affected",
"version": "16.0.1",
"versionType": "custom"
}
]
},
{
"platforms": [
"Unknown"
],
"product": "Microsoft Office Web Apps Server 2013 Service Pack 1",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "15.0.5529.1000",
"status": "affected",
"version": "15.0.1",
"versionType": "custom"
}
]
},
{
"platforms": [
"x64-based Systems"
],
"product": "Microsoft SharePoint Foundation 2013 Service Pack 1",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "15.0.5529.1000",
"status": "affected",
"version": "15.0.0",
"versionType": "custom"
}
]
},
{
"platforms": [
"32-bit Systems",
"ARM64-based Systems"
],
"product": "Microsoft Word 2013 Service Pack 1",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "15.0.5529.1000",
"status": "affected",
"version": "15.0.1",
"versionType": "custom"
}
]
},
{
"platforms": [
"x64-based Systems"
],
"product": "Microsoft Word 2013 Service Pack 1",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "15.0.5529.1000",
"status": "affected",
"version": "15.0.1",
"versionType": "custom"
}
]
}
],
"source": "secure@microsoft.com"
}
],
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:microsoft:office:2019:*:*:*:*:macos:*:*",
"matchCriteriaId": "40961B9E-80B6-42E0-A876-58B3CE056E4E",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:office_long_term_servicing_channel:2021:*:*:*:*:macos:*:*",
"matchCriteriaId": "BF0E8112-5B6F-4E55-8E40-38ADCF6FC654",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:office_online_server:2016:*:*:*:*:*:*:*",
"matchCriteriaId": "C6C0BD17-4324-4DFF-9804-1825C4C182A1",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:office_web_apps:2013:sp1:*:*:*:*:*:*",
"matchCriteriaId": "B3C3FC9A-D8E5-493A-A575-C831A9A28815",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:sharepoint_enterprise_server:2013:sp1:*:*:*:*:*:*",
"matchCriteriaId": "A5D3A185-BE57-403E-914E-FDECEC3A477C",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:sharepoint_enterprise_server:2016:*:*:*:*:*:*:*",
"matchCriteriaId": "9C082CC4-6128-475D-BC19-B239E348FDB2",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:sharepoint_foundation:2013:sp1:*:*:*:*:*:*",
"matchCriteriaId": "F71184B1-7461-4A05-A5D2-03D9EDDC30D5",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:sharepoint_server:-:*:*:*:subscription:*:*:*",
"matchCriteriaId": "AC8BB33F-44C4-41FE-8B17-68E3C4B38142",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:sharepoint_server:-:language_pack:*:*:subscription:*:*:*",
"matchCriteriaId": "FA51E2C8-321F-454B-A9C1-060885C1F892",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:sharepoint_server:2019:*:*:*:*:*:*:*",
"matchCriteriaId": "6122D014-5BF1-4AF4-8B4D-80205ED7785E",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:word:2013:sp1:*:*:*:*:*:*",
"matchCriteriaId": "32E1400A-836A-4E48-B2CD-2B0A9A8241BA",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:word:2013:sp1:*:*:rt:*:*:*",
"matchCriteriaId": "45E21528-4B0F-4A6F-82AD-DF7FDBF67C8F",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "Microsoft Word Remote Code Execution Vulnerability"
}
],
"id": "CVE-2023-21716",
"lastModified": "2026-06-17T05:33:46.603",
"metrics": {
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 9.8,
"baseSeverity": "CRITICAL",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"exploitabilityScore": 3.9,
"impactScore": 5.9,
"source": "secure@microsoft.com",
"type": "Secondary"
},
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 9.8,
"baseSeverity": "CRITICAL",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"exploitabilityScore": 3.9,
"impactScore": 5.9,
"source": "nvd@nist.gov",
"type": "Primary"
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"id": "CVE-2023-21716",
"options": [
{
"exploitation": "none"
},
{
"automatable": "yes"
},
{
"technicalImpact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2025-02-28T20:21:05.782542Z",
"version": "2.0.3"
}
}
]
},
"published": "2023-02-14T20:15:14.360",
"references": [
{
"source": "secure@microsoft.com",
"tags": [
"Patch",
"Vendor Advisory"
],
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-21716"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Patch",
"Vendor Advisory"
],
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-21716"
}
],
"sourceIdentifier": "secure@microsoft.com",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-190"
}
],
"source": "secure@microsoft.com",
"type": "Secondary"
},
{
"description": [
{
"lang": "en",
"value": "NVD-CWE-noinfo"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
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.
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