{"id":"CVE-2026-69805","title":"External control of file name or path in .NET allows an unauthorized attacker to elevate privileges over a network.","summary":"External control of file name or path in .NET allows an unauthorized attacker to elevate privileges over a network.","severity":"high","cvss":7.5,"cvssVector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H","cwe":["CWE-73","CWE-200","CWE-522"],"vendor":"microsoft","product":"microsoft.diagnostics.runtime","affected":["microsoft.diagnostics.runtime < 4.1.740301","visual_studio_2022 >= 17.14.0, < 17.14.40","visual_studio_2026 >= 18.9.0, < 18.9.3"],"patched":["microsoft.diagnostics.runtime 4.1.740301","visual_studio_2022 17.14.40","visual_studio_2026 18.9.3"],"published":"2026-09-08","updated":"2026-09-29","sourceUpdated":"2026-09-29T19:54:00.403","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-69805","references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69805","label":"secure@microsoft.com"}],"tags":["nvd","cve.org"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"total","timestamp":"2026-09-09T04:18:29.981672Z"},"epss":0.00496,"epssPercentile":0.42364,"ingestedAt":"2026-09-08T19:08:49.620Z","slug":"CVE-2026-69805","body":"## Overview\n\nExternal control of file name or path in .NET allows an unauthorized attacker to elevate privileges over a network.\n\n## Affected\n\n- `microsoft.diagnostics.runtime < 4.1.740301`\n- `visual_studio_2022 >= 17.14.0, < 17.14.40`\n- `visual_studio_2026 >= 18.9.0, < 18.9.3`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `microsoft.diagnostics.runtime 4.1.740301`\n- `visual_studio_2022 17.14.40`\n- `visual_studio_2026 18.9.3`","depth":"twilight","depthScore":41,"depthScoreParts":{"impact":41.3,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}