CVE-2021-26900

Windows Win32k 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-2021-26900	Patch Vendor Advisory
https://www.zerodayinitiative.com/advisories/ZDI-21-331/	Third Party Advisory
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-26900	Patch Vendor Advisory
https://www.zerodayinitiative.com/advisories/ZDI-21-331/	Third Party Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:o:microsoft:windows_10:20h2:::::::*
	cpe:2.3:o:microsoft:windows_10:1909:::::::*
	cpe:2.3:o:microsoft:windows_10:2004:::::::*
	cpe:2.3:o:microsoft:windows_server_2016:20h2:::::::*
	cpe:2.3:o:microsoft:windows_server_2016:1909:::::::*

History

21 Nov 2024, 05:57

Type	Values Removed	Values Added
References	~~() https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-26900 - Patch, Vendor Advisory~~	() https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-26900 - Patch, Vendor Advisory
References	~~() https://www.zerodayinitiative.com/advisories/ZDI-21-331/ - Third Party Advisory~~	() https://www.zerodayinitiative.com/advisories/ZDI-21-331/ - Third Party Advisory

29 Dec 2023, 20:15

Type	Values Removed	Values Added
Summary	~~Windows Win32k Elevation of Privilege Vulnerability This CVE ID is unique from CVE-2021-26863, CVE-2021-26875, CVE-2021-27077.~~	Windows Win32k Elevation of Privilege Vulnerability

Information

Published : 2021-03-11 16:15

Updated : 2024-11-21 05:57

NVD link : CVE-2021-26900

Mitre link : CVE-2021-26900

CVE.ORG link : CVE-2021-26900

JSON object : View

Products Affected

microsoft

windows_10
windows_server_2016

CWE

CWE-416

Use After Free

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