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CVE-2026-70338 Details

Description

Improper control of generation of code ('code injection') in Microsoft PowerShell allows an unauthorized attacker to bypass a security feature locally.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:7.8 HIGHVector:CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CNA: [email protected]CVSS-B:7.8 HIGHVector:CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-70338	[email protected]	Vendor Advisory

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-94	Improper Control of Generation of Code ('Code Injection')	[email protected]

Affected Products

Product	Versions
microsoft powershell	>= 7.4, < 7.4.19.0 >= 7.5, < 7.5.10.0 >= 7.6, < 7.6.5
CPE cpe:2.3:a:microsoft:powershell:::::::: Remediation No remediation found in references.

Change History

4 change records found show changes

Date	Action	Recorded By
Aug 14, 2026	Initial Analysis	[email protected]
Aug 12, 2026	CVE Modified	CISA-ADP
Aug 11, 2026	CVE Modified	CISA-ADP
Aug 11, 2026	New CVE Received	[email protected]