CVE-2021-26434

Visual Studio Elevation of Privilege Vulnerability

CVSS v3 7.8 HIGH
CVSS v2.0 7.2 HIGH

7.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

7.2^/10

CVSS v2.0 : HIGH

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

Exploitability : 3.9 / Impact : 10.0

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

References

Link	Resource
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-26434	Patch Vendor Advisory
https://www.zerodayinitiative.com/advisories/ZDI-21-1077/	Third Party Advisory VDB Entry

Configurations

Configuration 1 (hide)

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

History

03 May 2022, 16:04

Type	Values Removed	Values Added
CWE	~~CWE-269~~	CWE-732

24 Sep 2021, 16:03

Type	Values Removed	Values Added
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : 7.2 v3 : 7.8
CPE		cpe:2.3:a:microsoft:visual_studio_2019:::::::: cpe:2.3:a:microsoft:visual_studio_2017::::::::
CWE		CWE-269
References	~~(MISC) https://www.zerodayinitiative.com/advisories/ZDI-21-1077/ -~~	(MISC) https://www.zerodayinitiative.com/advisories/ZDI-21-1077/ - Third Party Advisory, VDB Entry
References	~~(MISC) https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-26434 -~~	(MISC) https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-26434 - Patch, Vendor Advisory

16 Sep 2021, 10:15

Type	Values Removed	Values Added
References		(MISC) https://www.zerodayinitiative.com/advisories/ZDI-21-1077/ -

15 Sep 2021, 12:28

Type	Values Removed	Values Added
New CVE

Information

Published : 2021-09-15 12:15

Updated : 2023-12-28 20:15

NVD link : CVE-2021-26434

Mitre link : CVE-2021-26434

CVE.ORG link : CVE-2021-26434

JSON object : View

Products Affected

microsoft

visual_studio_2017
visual_studio_2019

CWE

CWE-732

Incorrect Permission Assignment for Critical Resource

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