CVE-2021-34493

EUVD-2021-21147
Windows Partition Management Driver Elevation of Privilege Vulnerability
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
6.7 MEDIUM
LOCAL
LOW
HIGH
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
microsoftCNA
6.7 MEDIUM
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
Base Score
CVSS 3.x
EPSS Score
Percentile: 38%
Affected Products (NVD)
VendorProductVersion
microsoftwindows_10
-
microsoftwindows_server_2016
-
microsoftwindows_server_2019
-
𝑥
= Vulnerable software versions
Windows Releases
Platform
Version
Windows 10
(x64, x86)
KB5004249
1607 (x64, x86)
KB5004238
1809 (arm64, x64, x86)
KB5004244
1909 (arm64, x64, x86)
KB5004245
2004 (arm64, x64, x86)
KB5004237
20H2 (arm64, x64, x86)
KB5004237
21H1 (arm64, x64, x86)
KB5004237
Windows Server
2004 Server Core
KB5004237
20H2 Server Core
KB5004237
Windows Server 2016
Server Core
KB5004238
Standard
KB5004238
Windows Server 2019
Server Core
KB5004244
Standard
KB5004244
Common Weakness Enumeration
References
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34493
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34493