{"id":"CVE-2026-7791","title":"Local Privilege Escalation via TOCTOU Race Condition in Amazon WorkSpaces Skylight Agent","summary":"Improper privilege management in the log rotation mechanism of the Skylight Workspace Config Service in Amazon WorkSpaces for Windows before 2.6.2034.0 allows a local non-admin authenticated user to place arbitrary files into arbitrary l…","severity":"high","cvss":7.8,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","cvssSource":"cna","cwe":["CWE-367"],"vendor":"Amazon","product":"Workspaces","affected":["Workspaces < 2.6.2034.0"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"total","timestamp":"2026-05-05T00:00:00+00:00"},"exploitAvailable":true,"published":"2026-05-04","updated":"2026-10-20","sourceUpdated":"2026-10-20T18:54:15.148Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-7791","references":[{"url":"https://aws.amazon.com/security/security-bulletins/2026-025-aws/"}],"tags":["cve.org","exploit-available"],"epss":0.00126,"epssPercentile":0.02084,"exploits":{"github":1,"githubRepos":["https://github.com/BenZamir/CVE-2026-7791"],"checkedAt":"2026-10-20T19:16:49.566Z"},"ingestedAt":"2026-10-20T19:16:14.378Z","slug":"CVE-2026-7791","body":"## Overview\n\nImproper privilege management in the log rotation mechanism of the Skylight Workspace Config Service in Amazon WorkSpaces for Windows before 2.6.2034.0 allows a local non-admin authenticated user to place arbitrary files into arbitrary locations bypassing file system permission protections, leading to local privilege escalation to SYSTEM.\n\n## Affected\n\n- `Workspaces < 2.6.2034.0`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"midnight","depthScore":55,"depthScoreParts":{"impact":42.9,"likelihood":0,"exploitation":12,"ransomware":0},"changes":[]}