{"id":"CVE-2026-97790","title":"Improper link resolution before file access ('link following') in Windows Container Isolation FS Filter Driver (unionfs.sys) allows an authorized attacker to perform tampering locally.","summary":"Improper link resolution before file access ('link following') in Windows Container Isolation FS Filter Driver (unionfs.sys) allows an authorized attacker to perform tampering locally.","severity":"medium","cvss":5.5,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N","cwe":["CWE-59"],"published":"2026-10-13","updated":"2026-10-13","sourceUpdated":"2026-10-13T20:19:40.800","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-97790","references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-97790","label":"secure@microsoft.com"}],"tags":["nvd"],"ingestedAt":"2026-10-13T19:43:29.306Z","slug":"CVE-2026-97790","body":"## Overview\n\nImproper link resolution before file access ('link following') in Windows Container Isolation FS Filter Driver (unionfs.sys) allows an authorized attacker to perform tampering locally.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":30,"depthScoreParts":{"impact":30.3,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}