CVE-2021-1648

EUVD-2021-7115
Microsoft splwow64 Elevation of Privilege Vulnerability
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
7.8 HIGH
LOCAL
LOW
LOW
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
microsoftCNA
7.8 HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C
Base Score
CVSS 3.x
EPSS Score
Percentile: 72%
Affected Products (NVD)
VendorProductVersion
microsoftwindows_10
-
microsoftwindows_8.1
-
microsoftwindows_server_2012
-
microsoftwindows_server_2016
-
microsoftwindows_server_2019
-
𝑥
= Vulnerable software versions
Windows Releases
Platform
Version
Windows 10
(x64, x86)
KB4598231
1607 (x64, x86)
KB4598243
1803 (arm64, x64, x86)
KB4598245
1809 (arm64, x64, x86)
KB4598230
1909 (arm64, x64, x86)
KB4598229
2004 (arm64, x64, x86)
KB4598242
20H2 (arm64, x86)
KB4598242
Windows 8.1
(x64, x86)
KB4598285
Windows RT 8.1
All
KB4598285
Windows Server
1909 Server Core
KB4598229
2004 Server Core
KB4598242
20H2 Server Core
KB4598242
Windows Server 2012
Server Core
KB4598297
Standard
KB4598297
Windows Server 2012 R2
Server Core
KB4598285
Standard
KB4598285
Windows Server 2016
Server Core
KB4598243
Standard
KB4598243
Windows Server 2019
Server Core
KB4598230
Standard
KB4598230
Common Weakness Enumeration
References
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-1648
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-1648
https://www.zerodayinitiative.com/advisories/ZDI-21-504/