{"schema_version":"1","data":[{"id":3666,"advisory_id":"39b7a3fd-6e8d-4cc4-a0da-5f1e7533fbe8","revision":1,"source_id":"core-kev","source_url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2020-1147","source_published_at":"2021-11-03T00:00:00+00:00","published_at":"2026-10-24T21:39:24.787987+00:00","extraction_method":"structured","technologies":["core-kev","net-framework-sharepoint-visual-studio"],"cve_ids":["CVE-2020-1147"],"event_types":["advisory"],"payload":{"kind":"advisory","title":"Microsoft .NET Framework, SharePoint, and Visual Studio Remote Code Execution Vulnerability","summary":"Microsoft .NET Framework, Microsoft SharePoint, and Visual Studio contain a remote code execution vulnerability when the software fails to check the source markup of XML file input. Successful exploitation allows an attacker to execute code in the context of the process responsible for deserialization of the XML content. CISA required action: Apply updates per vendor instructions.","evidence":"kev:CVE-2020-1147","products":[{"name":{"value":".NET Framework, SharePoint, Visual Studio","evidence":"/product"},"prerequisites":[],"fixed_versions":[],"affected_versions":[]}],"severity":"unknown","structured":{"id":"CVE-2020-1147","aliases":["CVE-2020-1147"],"affected":[],"modified":"2021-11-03T00:00:00.000Z","provider":"kev","references":["https://www.cisa.gov/known-exploited-vulnerabilities-catalog"],"exploitation":{"cwes":[],"cveID":"CVE-2020-1147","notes":"https://nvd.nist.gov/vuln/detail/CVE-2020-1147","dueDate":"2022-05-03","product":".NET Framework, SharePoint, Visual Studio","dateAdded":"2021-11-03","vendorProject":"Microsoft","requiredAction":"Apply updates per vendor instructions.","known_exploited":true,"shortDescription":"Microsoft .NET Framework, Microsoft SharePoint, and Visual Studio contain a remote code execution vulnerability when the software fails to check the source markup of XML file input. Successful exploitation allows an attacker to execute code in the context of the process responsible for deserialization of the XML content.","vulnerabilityName":"Microsoft .NET Framework, SharePoint, and Visual Studio Remote Code Execution Vulnerability","knownRansomwareCampaignUse":"Unknown"}},"related_cves":[{"value":"CVE-2020-1147","evidence":"/cveID"}],"security_relevant":true,"severity_evidence":null}}],"next_after":3666,"next_before":3666}