CVE-2026-70338 - Vulnerability Details - OpenCVE

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

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction Required

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Exploitation none

Automatable no

Technical Impact total

Vendors	Products
Microsoft	Powershell

No data.

No data.

No data.

References

Link	Providers
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-70338

History

Tue, 11 Aug 2026 19:30:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}`

Tue, 11 Aug 2026 17:15:00 +0000

Type	Values Removed	Values Added
Description		Improper control of generation of code ('code injection') in Microsoft PowerShell allows an unauthorized attacker to bypass a security feature locally.
Title		Microsoft PowerShell Security Feature Bypass Vulnerability
First Time appeared		Microsoft Microsoft powershell
Weaknesses		CWE-94
CPEs		cpe:2.3:a:microsoft:powershell::-::::::*
Vendors & Products		Microsoft Microsoft powershell
References		https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-70338
Metrics		cvssV3_1 `{'score': 7.8, 'vector': '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'}`

MITRE

Status: PUBLISHED

Assigner: microsoft

Published: 2026-08-11T17:07:12.900Z

Updated: 2026-08-12T00:01:18.211Z

Reserved: 2026-08-04T00:04:56.036Z

Link: CVE-2026-70338

Vulnrichment

Updated: 2026-08-11T17:48:25.543Z

NVD

Status : Awaiting Analysis

Published: 2026-08-11T17:19:11.520

Modified: 2026-08-11T18:53:42.910

Link: CVE-2026-70338

Redhat

No data.

OpenCVE Enrichment

No data.

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