CVE-2021-26434 - Vulnerability Details - OpenCVE

ReportizFlow

Visual Studio Elevation of Privilege Vulnerability

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

Access Vector Local

Access Complexity Low

Authentication None

Confidentiality Impact Complete

Integrity Impact Complete

Availability Impact Complete

AV:L/AC:L/Au:N/C:C/I:C/A:C

This CVE is not in the KEV list.

Key SSVC decision points have not yet been added.

Vendors	Products
Microsoft	Visual Studio 2017 Visual Studio 2019

Configuration 1 [-]

OR	cpe:2.3:a:microsoft:visual_studio_2017::::::::
	cpe:2.3:a:microsoft:visual_studio_2019::::::::

No data.

References

Link	Providers
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-26434
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-26434
https://www.zerodayinitiative.com/advisories/ZDI-21-1077/

History

Mon, 10 Aug 2026 15:30:00 +0000

Type	Values Removed	Values Added
CPEs	cpe:2.3:a:microsoft:visual_studio_2019:16.9:::::::*
References		https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-26434

MITRE

Status: PUBLISHED

Assigner: microsoft

Published: 2021-09-15T11:23:00.000Z

Updated: 2026-08-10T15:10:59.140Z

Reserved: 2021-01-29T00:00:00.000Z

Link: CVE-2021-26434

Vulnrichment

No data.

NVD

Status : Modified

Published: 2021-09-15T12:15:09.150

Modified: 2026-08-10T16:17:34.190

Link: CVE-2021-26434

Redhat

No data.

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