{"id":"CVE-2026-70338","title":"Microsoft PowerShell Security Feature Bypass Vulnerability","summary":"Improper control of generation of code ('code injection') in Microsoft PowerShell allows an unauthorized attacker to bypass a security feature 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-94"],"vendor":"Microsoft","product":"PowerShell 7.4","affected":["powershell_7.4 >= 7.4.0 < 7.4.19.0","powershell_7.5 >= 7.5.0 < 7.5.10.0","powershell_7.6 >= 7.6.0 < 7.6.5"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"total","timestamp":"2026-08-10T00:00:00+00:00"},"published":"2026-08-11","updated":"2026-09-16","sourceUpdated":"2026-09-16T16:26:46.450Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-70338","references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-70338","label":"Microsoft PowerShell Security Feature Bypass Vulnerability"}],"tags":["cve.org"],"epss":0.00311,"epssPercentile":0.24115,"ingestedAt":"2026-09-08T19:08:49.646Z","slug":"CVE-2026-70338","body":"## Overview\n\nImproper control of generation of code ('code injection') in Microsoft PowerShell allows an unauthorized attacker to bypass a security feature locally.\n\n## Affected\n\n- `powershell_7.4 >= 7.4.0 < 7.4.19.0`\n- `powershell_7.5 >= 7.5.0 < 7.5.10.0`\n- `powershell_7.6 >= 7.6.0 < 7.6.5`\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":[]}