{"id":"CVE-2026-65810","title":".NET Framework Elevation of Privilege Vulnerability","summary":"Relative path traversal in .NET Framework allows an unauthorized attacker to elevate privileges locally.","severity":"high","cvss":7.8,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","cvssSource":"cna","cwe":["CWE-23"],"vendor":"Microsoft","product":"Microsoft .NET Framework 3.5","affected":[".net_framework_3.5 >= 3.5.0 < 2.0.50727.9183 & 3.0.30729.9169",".net_framework_3.5_and_4.6.2_4.7_4.7.1_4.7.2 >= 3.0.0.0 < 2.0.50727.8984 & 3.0.30729.8980 & 4.7.4144.0",".net_framework_3.5_and_4.7.2 >= 4.7.0 < 2.0.50727.9070 & 3.0.30729.9068 & 4.7.4144.0",".net_framework_3.5_and_4.8 >= 4.8.0 < 2.0.50727.9070 & 3.0.30729.9068 & 4.8.4805.0",".net_framework_3.5_and_4.8.1 >= 4.8.1 < 2.0.50727.9183 & 3.0.30729.9169 & 4.8.9343.0",".net_framework_4.6.2_4.7_4.7.1_4.7.2 >= 4.7.0 < 4.7.4144.0",".net_framework_4.8 >= 4.8.0 < 4.8.4805.0",".net_framework_4.8.1 >= 4.8.0.0 < 4.8.9344.0"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"total","timestamp":"2026-08-12T03:55:38.464741Z"},"published":"2026-08-11","updated":"2026-09-16","sourceUpdated":"2026-09-16T16:26:33.862Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-65810","references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-65810","label":".NET Framework Elevation of Privilege Vulnerability"}],"tags":["cve.org"],"epss":0.00267,"epssPercentile":0.19079,"ingestedAt":"2026-09-08T18:07:34.888Z","slug":"CVE-2026-65810","body":"## Overview\n\nRelative path traversal in .NET Framework allows an unauthorized attacker to elevate privileges locally.\n\n## Affected\n\n- `.net_framework_3.5 >= 3.5.0 < 2.0.50727.9183 & 3.0.30729.9169`\n- `.net_framework_3.5_and_4.6.2_4.7_4.7.1_4.7.2 >= 3.0.0.0 < 2.0.50727.8984 & 3.0.30729.8980 & 4.7.4144.0`\n- `.net_framework_3.5_and_4.7.2 >= 4.7.0 < 2.0.50727.9070 & 3.0.30729.9068 & 4.7.4144.0`\n- `.net_framework_3.5_and_4.8 >= 4.8.0 < 2.0.50727.9070 & 3.0.30729.9068 & 4.8.4805.0`\n- `.net_framework_3.5_and_4.8.1 >= 4.8.1 < 2.0.50727.9183 & 3.0.30729.9169 & 4.8.9343.0`\n- `.net_framework_4.6.2_4.7_4.7.1_4.7.2 >= 4.7.0 < 4.7.4144.0`\n- `.net_framework_4.8 >= 4.8.0 < 4.8.4805.0`\n- `.net_framework_4.8.1 >= 4.8.0.0 < 4.8.9344.0`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":43,"depthScoreParts":{"impact":42.9,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}