NTFS Set Short Name Elevation of Privilege Vulnerability
CVE-2021-43240

7.8HIGH

Key Information:

Vendor

Microsoft
Status
Windows 10 Version 1909
Windows 10 Version 21h1
Windows Server 2022
Windows 10 Version 2004
Vendor
CVE Published:
15 December 2021

What is CVE-2021-43240?

NTFS Set Short Name Elevation of Privilege Vulnerability

Affected Version(s)

Windows 10 Version 1909 32-bit Systems 10.0.0 < 10.0.18363.1977

Windows 10 Version 2004 32-bit Systems 10.0.0 < 10.0.19041.1415

Windows 10 Version 20H2 32-bit Systems 10.0.0 < 10.0.19042.1415

References

https://portal.msrc.microsoft.com/en-US/security-guidance...
x_refsource_MISC

CVSS V3.1

Score:
7.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.