{"containers": {"cna": {"title": "Microsoft Excel Remote Code Execution Vulnerability", "datePublic": "2021-07-13T14:00:00.000Z", "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:microsoft:office_2019:*:*:*:*:*:*:*:*", "versionStartIncluding": "19.0.0", "versionEndExcluding": "https://aka.ms/OfficeSecurityReleases"}, {"vulnerable": true, "criteria": "cpe:2.3:a:microsoft:office_2019:*:*:*:*:*:macos:*:*", "versionStartIncluding": "16.0.0", "versionEndExcluding": "16.51.210711.01"}, {"vulnerable": true, "criteria": "cpe:2.3:a:microsoft:office_online_server:*:*:*:*:*:*:*:*", "versionStartIncluding": "16.0.1", "versionEndExcluding": "16.0.10376.20001"}, {"vulnerable": true, "criteria": "cpe:2.3:a:microsoft:365_apps:*:*:*:*:enterprise:*:*:*", "versionStartIncluding": "16.0.1", "versionEndExcluding": "https://aka.ms/OfficeSecurityReleases"}, {"vulnerable": true, "criteria": "cpe:2.3:a:microsoft:excel_2016:*:*:*:*:*:*:x86:*", "versionStartIncluding": "16.0.0.0", "versionEndExcluding": "16.0.5188.100"}, {"vulnerable": true, "criteria": "cpe:2.3:a:microsoft:excel_2013:*:sp1:*:*:rt:*:*:*", "versionStartIncluding": "15.0.0.0", "versionEndExcluding": "15.0.5363.1000"}]}]}], "affected": [{"vendor": "Microsoft", "product": "Microsoft 365 Apps for Enterprise", "platforms": ["32-bit Systems", "x64-based Systems"], "versions": [{"version": "16.0.1", "lessThan": "https://aka.ms/OfficeSecurityReleases", "versionType": "custom", "status": "affected"}]}, {"vendor": "Microsoft", "product": "Microsoft Excel 2013 Service Pack 1", "platforms": ["32-bit Systems", "ARM64-based Systems", "x64-based Systems"], "versions": [{"version": "15.0.0.0", "lessThan": "15.0.5363.1000", "versionType": "custom", "status": "affected"}]}, {"vendor": "Microsoft", "product": "Microsoft Excel 2016", "platforms": ["32-bit Systems", "x64-based Systems"], "versions": [{"version": "16.0.0.0", "lessThan": "16.0.5188.100", "versionType": "custom", "status": "affected"}]}, {"vendor": "Microsoft", "product": "Microsoft Office 2019", "platforms": ["32-bit Systems", "x64-based Systems"], "versions": [{"version": "19.0.0", "lessThan": "https://aka.ms/OfficeSecurityReleases", "versionType": "custom", "status": "affected"}]}, {"vendor": "Microsoft", "product": "Microsoft Office 2019 for Mac", "versions": [{"version": "16.0.0", "lessThan": "16.51.210711.01", "versionType": "custom", "status": "affected"}]}, {"vendor": "Microsoft", "product": "Microsoft Office Online Server", "versions": [{"version": "16.0.1", "lessThan": "16.0.10376.20001", "versionType": "custom", "status": "affected"}]}], "descriptions": [{"value": "Microsoft Excel Remote Code Execution Vulnerability", "lang": "en-US"}], "problemTypes": [{"descriptions": [{"description": "Remote Code Execution", "lang": "en-US", "type": "Impact"}]}], "providerMetadata": {"orgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8", "shortName": "microsoft", "dateUpdated": "2026-08-10T15:11:15.677Z"}, "references": [{"name": "Microsoft Excel Remote Code Execution Vulnerability", "tags": ["vendor-advisory", "patch"], "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-34501"}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en-US", "value": "GENERAL"}], "cvssV3_1": {"version": "3.1", "baseSeverity": "HIGH", "baseScore": 7.8, "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"}}]}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T00:12:50.353Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34501"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://www.zerodayinitiative.com/advisories/ZDI-21-969/"}]}]}, "cveMetadata": {"assignerOrgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8", "assignerShortName": "microsoft", "cveId": "CVE-2021-34501", "datePublished": "2021-07-14T17:54:20.000Z", "dateReserved": "2021-06-09T00:00:00.000Z", "dateUpdated": "2026-08-10T15:11:15.677Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.2"}

{}

{"affected": [{"affectedData": [{"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": ["32-bit Systems", "ARM64-based Systems", "x64-based Systems"], "product": "Microsoft Excel 2013 Service Pack 1", "vendor": "Microsoft", "versions": [{"lessThan": "15.0.5363.1000", "status": "affected", "version": "15.0.0.0", "versionType": "custom"}]}, {"platforms": ["32-bit Systems", "x64-based Systems"], "product": "Microsoft Excel 2016", "vendor": "Microsoft", "versions": [{"lessThan": "16.0.5188.100", "status": "affected", "version": "16.0.0.0", "versionType": "custom"}]}, {"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"}]}, {"product": "Microsoft Office 2019 for Mac", "vendor": "Microsoft", "versions": [{"lessThan": "16.51.210711.01", "status": "affected", "version": "16.0.0", "versionType": "custom"}]}, {"product": "Microsoft Office Online Server", "vendor": "Microsoft", "versions": [{"lessThan": "16.0.10376.20001", "status": "affected", "version": "16.0.1", "versionType": "custom"}]}], "source": "[email protected]"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:microsoft:365_apps:-:*:*:*:enterprise:*:*:*", "matchCriteriaId": "40C15EDD-98D4-4D06-BA06-21AE0F33C72D", "vulnerable": true}, {"criteria": "cpe:2.3:a:microsoft:excel:2013:sp1:*:*:*:*:*:*", "matchCriteriaId": "F564117D-450D-45C4-9688-AF35F630A8A7", "vulnerable": true}, {"criteria": "cpe:2.3:a:microsoft:excel:2013:sp1:*:*:rt:*:*:*", "matchCriteriaId": "3A062169-527E-43DA-8AE0-FD4FBA1B2A9B", "vulnerable": true}, {"criteria": "cpe:2.3:a:microsoft:excel:2016:*:*:*:*:*:*:*", "matchCriteriaId": "09BF0981-749E-470B-A7AC-95AD087797EF", "vulnerable": true}, {"criteria": "cpe:2.3:a:microsoft:office:2019:*:*:*:*:-:*:*", "matchCriteriaId": "C5282C83-86B8-442D-851D-B54E88E8B1F1", "vulnerable": true}, {"criteria": "cpe:2.3:a:microsoft:office:2019:*:*:*:*:macos:*:*", "matchCriteriaId": "40961B9E-80B6-42E0-A876-58B3CE056E4E", "vulnerable": true}, {"criteria": "cpe:2.3:a:microsoft:office_online_server:-:*:*:*:*:*:*:*", "matchCriteriaId": "E98AE986-FA31-4301-8025-E8915BA4AC5E", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Microsoft Excel Remote Code Execution Vulnerability"}, {"lang": "es", "value": "Una vulnerabilidad de Ejecuci\u00f3n de C\u00f3digo Remota de Microsoft Excel . Este ID de CVE es diferente de CVE-2021-34518"}], "id": "CVE-2021-34501", "lastModified": "2026-08-10T16:17:53.790", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 6.8, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 8.6, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "[email protected]", "type": "Primary", "userInteractionRequired": true}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.9, "source": "[email protected]", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 5.9, "source": "[email protected]", "type": "Secondary"}]}, "published": "2021-07-14T18:15:11.730", "references": [{"source": "[email protected]", "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-34501"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Vendor Advisory"], "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34501"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory", "VDB Entry"], "url": "https://www.zerodayinitiative.com/advisories/ZDI-21-969/"}], "sourceIdentifier": "[email protected]", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "[email protected]", "type": "Primary"}]}

{}