{
    "containers": {
        "cna": {
            "title": "Microsoft Excel Information Disclosure Vulnerability",
            "datePublic": "2020-12-08T08:00:00.000Z",
            "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": "publication"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:a:microsoft:office_online_server:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "16.0.1",
                                    "versionEndExcluding": "publication"
                                },
                                {
                                    "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": "publication"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:a:microsoft:excel:*:sp2:*:*:*:*:*:*",
                                    "versionStartIncluding": "13.0.0.0",
                                    "versionEndExcluding": "publication"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:a:microsoft:excel_2013:*:sp1:*:*:rt:*:*:*",
                                    "versionStartIncluding": "15.0.0.0",
                                    "versionEndExcluding": "publication"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:a:microsoft:office_web_apps_2013:*:sp1:*:*:*:*:*:*",
                                    "versionStartIncluding": "15.0.0.0",
                                    "versionEndExcluding": "publication"
                                }
                            ]
                        }
                    ]
                }
            ],
            "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 2010 Service Pack 2",
                    "platforms": [
                        "32-bit Systems",
                        "x64-based Systems"
                    ],
                    "versions": [
                        {
                            "version": "13.0.0.0",
                            "lessThan": "publication",
                            "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": "publication",
                            "versionType": "custom",
                            "status": "affected"
                        }
                    ]
                },
                {
                    "vendor": "Microsoft",
                    "product": "Microsoft Excel 2016",
                    "platforms": [
                        "32-bit Systems",
                        "x64-based Systems"
                    ],
                    "versions": [
                        {
                            "version": "16.0.0.0",
                            "lessThan": "publication",
                            "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": "publication",
                            "versionType": "custom",
                            "status": "affected"
                        }
                    ]
                },
                {
                    "vendor": "Microsoft",
                    "product": "Microsoft Office Online Server",
                    "versions": [
                        {
                            "version": "16.0.1",
                            "lessThan": "publication",
                            "versionType": "custom",
                            "status": "affected"
                        }
                    ]
                },
                {
                    "vendor": "Microsoft",
                    "product": "Microsoft Office Web Apps 2013 Service Pack 1",
                    "versions": [
                        {
                            "version": "15.0.0.0",
                            "lessThan": "publication",
                            "versionType": "custom",
                            "status": "affected"
                        }
                    ]
                }
            ],
            "descriptions": [
                {
                    "value": "Microsoft Excel Information Disclosure Vulnerability",
                    "lang": "en-US"
                }
            ],
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "description": "Information Disclosure",
                            "lang": "en-US",
                            "type": "Impact"
                        }
                    ]
                }
            ],
            "providerMetadata": {
                "orgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
                "shortName": "microsoft",
                "dateUpdated": "2026-06-09T18:08:11.073Z"
            },
            "references": [
                {
                    "name": "Microsoft Excel Information Disclosure Vulnerability",
                    "tags": [
                        "vendor-advisory",
                        "patch"
                    ],
                    "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2020-17126"
                }
            ],
            "metrics": [
                {
                    "format": "CVSS",
                    "scenarios": [
                        {
                            "lang": "en-US",
                            "value": "GENERAL"
                        }
                    ],
                    "cvssV3_1": {
                        "version": "3.1",
                        "baseSeverity": "MEDIUM",
                        "baseScore": 5.5,
                        "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C"
                    }
                }
            ]
        },
        "adp": [
            {
                "providerMetadata": {
                    "orgId": "af854a3a-2127-422b-91ae-364da2661108",
                    "shortName": "CVE",
                    "dateUpdated": "2024-08-04T13:53:16.463Z"
                },
                "title": "CVE Program Container",
                "references": [
                    {
                        "tags": [
                            "x_refsource_MISC",
                            "x_transferred"
                        ],
                        "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-17126"
                    }
                ]
            }
        ]
    },
    "cveMetadata": {
        "assignerOrgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
        "assignerShortName": "microsoft",
        "cveId": "CVE-2020-17126",
        "datePublished": "2020-12-09T23:36:47.000Z",
        "dateReserved": "2020-08-04T00:00:00.000Z",
        "dateUpdated": "2026-06-09T18:08:11.073Z",
        "state": "PUBLISHED"
    },
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2"
}