CVE-2026-70337

Microsoft PowerShell Remote Code Execution Vulnerability

State: Published
Severity: 8.8 High
Published: Aug 11, 2026
Updated: Oct 21, 2026
Reserved: Aug 4, 2026

Description

Relative path traversal in Microsoft PowerShell Core allows an unauthorized attacker to execute code over a network.

Scores

CVSS	Score	Vector	Source
3.1	8.8 High	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C	microsoft

Weaknesses

CWE-23 Relative Path Traversal

Affected Products

Product	Versions
PowerShell 7.4Microsoft	7.4.0 to before 7.4.19.0Affected
PowerShell 7.5Microsoft	7.5.0 to before 7.5.10.0Affected
PowerShell 7.6Microsoft	7.6.0 to before 7.6.5Affected

References

Microsoft PowerShell Remote Code Execution Vulnerabilityvendor-advisorypatch

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