{"id":"CVE-2026-108398","title":"Untrusted search path in .NET Framework allows an authorized attacker to bypass a security feature locally.","summary":"Untrusted search path in .NET Framework allows an authorized attacker to bypass a security feature locally.","severity":"high","cvss":8.8,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","cwe":["CWE-426"],"published":"2026-10-13","updated":"2026-10-13","sourceUpdated":"2026-10-13T23:17:30.117","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-108398","references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-108398","label":"secure@microsoft.com"},{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-108398.json"},{"url":"https://access.redhat.com/security/cve/CVE-2026-108398"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2551111"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-108398"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-108398"}],"tags":["nvd","cve.org","csaf","vex","red-hat"],"ingestedAt":"2026-10-13T19:43:28.926Z","vendor":"Microsoft","product":"Microsoft .NET Framework 3.5 AND 4.6.2/4.7/4.7.1/4.7.2","affected":[".net_framework_3.5_and_4.6.2_4.7_4.7.1_4.7.2 >= 3.0.0.0 < 2.0.50727.8987 AND 3.0.30729.8982 AND 4.7.4150.0",".net_framework_3.5_and_4.7.2 >= 4.7.0 < 2.0.50727.9073 AND 3.0.30729.9070 AND 4.7.4150.0",".net_framework_3.5_and_4.8 >= 4.8.0 < 2.0.50727.9073 AND 3.0.30729.9070 AND 4.8.4811.0",".net_framework_3.5_and_4.8.1 >= 4.8.1 < 2.0.50727.9188 AND 3.0.30729.9171 AND 4.8.9363.0",".net_framework_4.6.2_4.7_4.7.1_4.7.2 >= 4.7.0 < 4.7.4150.0",".net_framework_4.8 >= 4.8.0 < 4.8.4811.0",".net_framework_4.8.1 >= 4.8.0.0 < 4.8.9363.0"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"total","timestamp":"2026-10-13T22:17:39.221098Z"},"epss":0.00779,"epssPercentile":0.55687,"slug":"CVE-2026-108398","body":"## Overview\n\nUntrusted search path in .NET Framework allows an authorized attacker to bypass a security feature 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 2026-10-23 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-108398.json)","depth":"twilight","depthScore":49,"depthScoreParts":{"impact":48.4,"likelihood":0.2,"exploitation":0,"ransomware":0},"changes":[]}