{"id":"CVE-2026-77906","aliases":["EUVD-2026-73883","GHSA-8834-2x42-5wxx"],"status":"published","title":"Visual Studio Remote Code Execution Vulnerability","description":"Heap-based buffer overflow in Visual Studio allows an unauthorized attacker to execute code over a network.","severity":{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00819,"percentile":0.57469,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-122"],"published":"2026-09-08T17:19:09Z","modified":"2026-10-31T16:17:41Z","products":[{"vendor":"microsoft","product":"microsoft visual studio 2026 version 18.9"},{"vendor":"microsoft","product":"visual_studio_2026"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-77906","tags":["vendor-advisory","patch","Patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-77906"},{"url":"https://github.com/advisories/GHSA-8834-2x42-5wxx"}],"sources":{"cve":[{"id":"CVE-2026-77906","title":"Visual Studio Remote Code Execution Vulnerability","description":"Heap-based buffer overflow in Visual Studio allows an unauthorized attacker to execute code over a network.","status":"published","published":"2026-09-08T17:19:09.623Z","modified":"2026-10-31T16:17:41.31Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"high","assessor":"cna"}],"cwes":["CWE-122"],"updated_at":"2026-11-02T14:20:15.712761Z"}],"euvd":[{"id":"EUVD-2026-73883","description":"Heap-based buffer overflow in Visual Studio allows an unauthorized attacker to execute code over a network.","status":"published","published":"2026-09-08T17:19:09Z","modified":"2026-10-31T16:17:41Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"high"}],"updated_at":"2026-11-02T16:58:56.351683Z"}],"ghsa":[{"id":"GHSA-8834-2x42-5wxx","title":"Heap-based buffer overflow in Visual Studio allows an unauthorized attacker to execute code over...","description":"Heap-based buffer overflow in Visual Studio allows an unauthorized attacker to execute code over a network.","status":"published","published":"2026-09-08T18:33:22Z","modified":"2026-09-08T18:33:57Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-122"],"updated_at":"2026-11-02T15:11:34.019342Z"}],"nvd":[{"id":"CVE-2026-77906","description":"Heap-based buffer overflow in Visual Studio allows an unauthorized attacker to execute code over a network.","status":"published","published":"2026-09-08T18:20:40.733Z","modified":"2026-09-11T20:06:43.557Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-122"],"updated_at":"2026-11-02T14:12:45.264578Z"}]}}