THREAT OPS › Threat News › ZDI-26-414: Microsoft PowerShell Help Directory Traversal Remote Code Execution Vulnerability
ZDI-26-414: Microsoft PowerShell Help Directory Traversal Remote Code Execution Vulnerability
This vulnerability allows remote attackers to execute arbitrary code on affected installations of Microsoft PowerShell. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The ZDI has assigned a CVSS rating of 7.8. The following CVEs are assigned: CVE-2026-40400.
MITRE ATT&CK techniques
Indicators of compromise
- CVE-2026-40400cve
Original source: http://www.zerodayinitiative.com/advisories/ZDI-26-414/