{"id":"CVE-2026-70190","title":"Improper link resolution before file access ('link following') in .NET allows an authorized attacker to elevate privileges locally.","summary":"Improper link resolution before file access ('link following') in .NET allows an authorized attacker to elevate privileges locally.","severity":"high","cvss":7.3,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H","cwe":["CWE-59"],"published":"2026-10-13","updated":"2026-10-14","sourceUpdated":"2026-10-14T04:18:33.147","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-70190","references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-70190","label":"secure@microsoft.com"},{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-70190.json"},{"url":"https://access.redhat.com/security/cve/CVE-2026-70190"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2551134"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-70190"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-70190"}],"tags":["nvd","cve.org","csaf","vex","red-hat"],"ingestedAt":"2026-10-13T19:43:29.023Z","vendor":"Microsoft","product":".NET 10.0","affected":[".net_10.0 >= 10.0.0 < 10.0.113",".net_11.0 >= 11.0.0 < 11.0.100-rc.2",".net_9.0 >= 9.0.0 < 9.0.319, 9.0.122","visual_studio_2022_version_17.14 >= 17.14.0 < 17.14.42","visual_studio_2026_version_18.10 >= 18.10.0 < 18.10.4"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"total","timestamp":"2026-10-08T00:00:00+00:00"},"epss":0.0049,"epssPercentile":0.41952,"slug":"CVE-2026-70190","body":"## Overview\n\nImproper link resolution before file access ('link following') in .NET allows an authorized attacker to elevate privileges locally.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.\n\n## Vendor advisories\n\n- **Red Hat VEX** · Important · updated 2026-10-16 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-70190.json)","depth":"twilight","depthScore":40,"depthScoreParts":{"impact":40.2,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}