{"answers":{"affected":"It affects 1 product.","exploited":"There is no known exploitation of CVE-2020-1066 in the wild and no public exploit code.","fix":"No fix has been published for CVE-2020-1066 yet. Limit exposure of the affected software until one is available.","what":"CVE-2020-1066 is a high-severity vulnerability in Microsoft .Net Framework, published on 21 May 2020. It can only be exploited from the same machine or local network, with no action from the victim."},"fix_prompt":"Check this codebase for CVE-2020-1066 and fix it if it is affected.\n\nWhat it is: CVE-2020-1066 is a high-severity vulnerability in Microsoft .Net Framework, published on 21 May 2020. It can only be exploited from the same machine or local network, with no action from the victim.\nExploitation: There is no known exploitation of CVE-2020-1066 in the wild and no public exploit code.\n\nAffected product: Microsoft .Net Framework. No package-level version data is available, so check the vendor advisory linked from the reference page.\n\nTask:\n1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.\n2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.\n3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.\n4. Run the tests and summarise what changed and why.\n5. If nothing in the project is affected, say so and change nothing.\n\nReference: https://insights.sbomify.com/CVE-2020-1066/ (Markdown: https://insights.sbomify.com/CVE-2020-1066/index.md)","id":"CVE-2020-1066","markdown":"https://insights.sbomify.com/CVE-2020-1066/index.md","name":"CVE-2020-1066","record":{"aliases":["GHSA-jp98-j3r8-w99v"],"analysis":{"component_type":"library","fix_type":"patch","impacts":["privilege_escalation"],"network_reachable":"adjacent_or_local","non_default_config":false,"product_category":".NET Framework","requires_auth":"low_privilege","summary":"A local attacker can elevate privileges by running a malicious program that exploits how .NET Framework activates COM objects.","user_interaction":"not_required","vuln_class":"privilege_escalation"},"analysis_generated_by":"qwen3.8-flash-next","assigner":"microsoft","cpe":[{"product":".net_framework","vendor":"microsoft"}],"cvss":{"score":7.8,"severity":"high","source":"nvd","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},"cwes":[],"description":"An elevation of privilege vulnerability exists in .NET Framework which could allow an attacker to elevate their privilege level.\nTo exploit the vulnerability, an attacker would first have to access the local machine, and then run a malicious program.\nThe update addresses the vulnerability by correcting how .NET Framework activates COM objects.","ecosystems":[],"exploits":{"exploitdb":0,"first_seen":"2020-06-01","github_poc":2,"max_poc_stars":186,"metasploit":0,"nuclei":0,"refs":[{"date":"2020-06-01T04:44:05Z","kind":"github_poc","ref":"https://github.com/cbwang505/CVE-2020-1066-EXP","stars":186,"title":"CVE-2020-1066-EXP支持Windows 7和Windows Server 2008 R2操作系统"},{"date":"2021-03-07T06:55:26Z","kind":"github_poc","ref":"https://github.com/xyddnljydd/cve-2020-1066","stars":1,"title":null}],"tier":"poc_unverified"},"has_fix":null,"headline":".NET Framework Elevation of Privilege Vulnerability","id":"CVE-2020-1066","indexable":true,"kev":null,"kind":"cve","links":{"ecosystem":null,"product":"microsoft:.net_framework","products":["microsoft:.net_framework"],"type":"privilege_escalation","year":"2020"},"n_packages":0,"n_references":1,"next":{"headline":"Windows Remote Code Execution Vulnerability","id":"CVE-2020-1067"},"packages":[],"prev":{"headline":"Scripting Engine Memory Corruption Vulnerability","id":"CVE-2020-1065"},"products":["Microsoft .NET Framework 3.0 Service Pack 2","Microsoft .NET Framework 3.5.1"],"published":"2020-05-21","related":[{"cvss_score":9.8,"headline":"Microsoft .NET Framework Remote Code Execution","id":"CVE-2020-0646","kev_date_added":"2021-11-03","published":"2020-01-14"},{"cvss_score":7.8,"headline":"Microsoft .NET Framework Remote Code Execution","id":"CVE-2017-8759","kev_date_added":"2021-11-03","published":"2017-09-13"},{"cvss_score":7.8,"headline":"Microsoft Windows Remote Code Execution","id":"CVE-2015-1671","kev_date_added":"2022-05-25","published":"2015-05-13"},{"cvss_score":7.5,"headline":"Microsoft .NET Framework Information Disclosure","id":"CVE-2024-29059","kev_date_added":"2025-02-04","published":"2024-03-22"},{"cvss_score":10,"headline":"Privilege escalation in n/a","id":"CVE-2014-4073","kev_date_added":null,"published":"2014-10-15"},{"cvss_score":10,"headline":"Memory corruption in n/a","id":"CVE-2014-4121","kev_date_added":null,"published":"2014-10-15"},{"cvss_score":10,"headline":"Code injection in n/a","id":"CVE-2014-1806","kev_date_added":null,"published":"2014-05-14"}],"sources":[{"class":"attribution","licence":"CVE Terms of Use (MITRE)","name":"CVE List","prefix":"CVE"},{"class":"attribution","licence":"US public information, NVD API terms","name":"NVD"},{"class":"attribution","licence":"FIRST CVSS licence","name":"CVSS (FIRST)"},{"class":"open","licence":"CC0","name":"PoC-in-GitHub"}],"ssvc":{"automatable":null,"exploitation":null,"technical_impact":null},"state":"PUBLISHED","updated":"2026-08-19","vendors":["Microsoft"]},"summary":"A local attacker can elevate privileges by running a malicious program that exploits how .NET Framework activates COM objects.","url":"https://insights.sbomify.com/CVE-2020-1066/"}