CVE-2026-70354 - Vulnerability Details - OpenCVE

Out-of-bounds write in .NET allows an unauthorized attacker to execute code 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.

Key SSVC decision points have not yet been added.

Vendors	Products
Microsoft	.net .net Framework Visual Studio 2022 Visual Studio 2026

No data.

No data.

No data.

References

Link	Providers
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-70354

History

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

Type	Values Removed	Values Added
Description		Out-of-bounds write in .NET allows an unauthorized attacker to execute code locally.
Title		.NET Core Remote Code Execution Vulnerability
First Time appeared		Microsoft Microsoft .net Microsoft .net Framework Microsoft visual Studio 2022 Microsoft visual Studio 2026
Weaknesses		CWE-787
CPEs		cpe:2.3:a:microsoft:.net:::::::: cpe:2.3:a:microsoft:.net_framework:::::::: cpe:2.3:a:microsoft:visual_studio_2022:::::::: cpe:2.3:a:microsoft:visual_studio_2026::::::::
Vendors & Products		Microsoft Microsoft .net Microsoft .net Framework Microsoft visual Studio 2022 Microsoft visual Studio 2026
References		https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-70354
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: 2026-08-11T17:07:15.162Z

Updated: 2026-08-11T19:20:23.537Z

Reserved: 2026-08-04T00:04:56.037Z

Link: CVE-2026-70354

Vulnrichment

No data.

NVD

Status : Awaiting Analysis

Published: 2026-08-11T17:19:12.640

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

Link: CVE-2026-70354

Redhat

No data.

OpenCVE Enrichment

No data.

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