CVE-2026-62909 - Vulnerability Details - OpenCVE

Uncaught exception in .NET allows an authorized attacker to elevate privileges locally.

No CVSS v4.0

Attack Vector Local

Attack Complexity High

Privileges Required Low

Scope Changed

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

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 Visual Studio 2022 Visual Studio 2026

No data.

No data.

No data.

References

Link	Providers
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-62909
https://nvd.nist.gov/vuln/detail/CVE-2026-62909
https://www.cve.org/CVERecord?id=CVE-2026-62909

History

Wed, 12 Aug 2026 00:15:00 +0000

Type	Values Removed	Values Added
References		https://nvd.nist.gov/vuln/detail/CVE-2026-62909 https://www.cve.org/CVERecord?id=CVE-2026-62909
Metrics	threat_severity `None`	threat_severity `Important`

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

Type	Values Removed	Values Added
Weaknesses	CWE-248

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

Type	Values Removed	Values Added
Weaknesses		CWE-252

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

Type	Values Removed	Values Added
Description		Uncaught exception in .NET allows an authorized attacker to elevate privileges locally.
Title		.NET Elevation of Privilege Vulnerability
First Time appeared		Microsoft Microsoft .net Microsoft visual Studio 2022 Microsoft visual Studio 2026
Weaknesses		CWE-248
CPEs		cpe:2.3:a:microsoft:.net:::::::: cpe:2.3:a:microsoft:visual_studio_2022:::::::: cpe:2.3:a:microsoft:visual_studio_2026::::::::
Vendors & Products		Microsoft Microsoft .net Microsoft visual Studio 2022 Microsoft visual Studio 2026
References		https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-62909
Metrics		cvssV3_1 `{'score': 7.8, 'vector': 'CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C'}`

MITRE

Status: PUBLISHED

Assigner: microsoft

Published: 2026-08-11T17:04:43.199Z

Updated: 2026-08-12T03:55:32.068Z

Reserved: 2026-07-14T21:25:21.036Z

Link: CVE-2026-62909

Vulnrichment

No data.

NVD

Status : Awaiting Analysis

Published: 2026-08-11T17:18:44.817

Modified: 2026-08-11T19:18:20.490

Link: CVE-2026-62909

Redhat

Severity : Important

Publid Date: 2026-08-11T00:00:00Z

Links: CVE-2026-62909 - Bugzilla

OpenCVE Enrichment

No data.

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