{"id":"CVE-2026-69439","revision":"3fc9ad1f6d6b40b5a47c2812e11db294","records":[{"revision":"3fc9ad1f6d6b40b5a47c2812e11db294","observedAt":"2026-10-25T15:18:57.446+00:00","statement":{"source":"nvd","id":"CVE-2026-69439","aliases":[],"title":"Heap-based buffer overflow in .NET and Visual Studio allows an unauthorized attacker to elevate privileges over a network.","description":"Heap-based buffer overflow in .NET and Visual Studio allows an unauthorized attacker to elevate privileges over a network.","state":0,"publishedAt":"2026-09-08T18:19:07.96+00:00","modifiedAt":"2026-09-29T14:05:54.677+00:00","affected":[],"metrics":[{"system":"CVSS 3.1 · secure@microsoft.com · Secondary","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","score":8.8,"severity":"HIGH"}],"references":["https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69439"],"sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-69439","license":"NIST NVD usage terms; underlying source attribution retained","enrichment":{"sourceStatus":"Analyzed","weaknesses":["CWE-122"],"productCriteria":["cpe:2.3:a:microsoft:.net:*:*:*:*:*:*:*:*","cpe:2.3:a:microsoft:.net:11.0.0:preview1:*:*:*:*:*:*","cpe:2.3:a:microsoft:.net:11.0.0:preview2:*:*:*:*:*:*","cpe:2.3:a:microsoft:.net:11.0.0:preview3:*:*:*:*:*:*","cpe:2.3:a:microsoft:.net:11.0.0:preview4:*:*:*:*:*:*","cpe:2.3:a:microsoft:.net:11.0.0:preview5:*:*:*:*:*:*","cpe:2.3:a:microsoft:.net:11.0.0:preview6:*:*:*:*:*:*","cpe:2.3:a:microsoft:.net:11.0.0:preview7:*:*:*:*:*:*","cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*","cpe:2.3:a:microsoft:visual_studio_2022:*:*:*:*:*:*:*:*","cpe:2.3:a:microsoft:visual_studio_2026:*:*:*:*:*:*:*:*"],"sourceDates":{"published":"2026-09-08T18:19:07.960","lastModified":"2026-09-29T14:05:54.677"},"relatedAdvisories":[],"note":"NVD analysis and CPE criteria are source context, not proof that a package or your environment is affected. Complete affected data, logical configurations and SSVC are retained in the original JSON."},"key":"nvd:CVE-2026-69439","identifiers":["CVE-2026-69439"]},"retained":false,"historicalAffected":[]}],"coverage":[]}