CVE-2023-41766

EUVD-2023-46258
Windows Client Server Run-time Subsystem (CSRSS) 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:U/RL:O/RC:C
Base Score
CVSS 3.x
EPSS Score
Percentile: 73%
Affected Products (NVD)
VendorProductVersion
microsoftwindows_10_1507
𝑥
< 10.0.10240.20232
microsoftwindows_10_1607
𝑥
< 10.0.14393.6351
microsoftwindows_10_1809
𝑥
< 10.0.17763.4974
microsoftwindows_10_21h2
𝑥
< 10.0.19041.3570
microsoftwindows_10_22h2
𝑥
< 10.0.19045.3570
microsoftwindows_11_21h2
𝑥
< 10.0.22000.2538
microsoftwindows_11_22h2
𝑥
< 10.0.22621.2428
microsoftwindows_server_2008
-
microsoftwindows_server_2012
-
microsoftwindows_server_2016
-
microsoftwindows_server_2019
-
microsoftwindows_server_2022
-
𝑥
= Vulnerable software versions
Windows Releases
Platform
Version
Windows 10
(x64, x86)
KB5031377
1607 (x64, x86)
KB5031362
1809 (arm64, x64, x86)
KB5031361
21H2 (arm64, x64, x86)
KB5031356
22H2 (arm64, x64, x86)
KB5031356
Windows 11
21H2 (arm64, x64)
KB5031358
22H2 (arm64, x64)
KB5031354
Windows Server 2008
Service Pack 2 (x64, x86)
KB5031416
Service Pack 2 Server Core (x64, x86)
KB5031416
Windows Server 2008 R2
Service Pack 1 (x64)
KB5031441
Service Pack 1 Server Core (x64)
KB5031441
Windows Server 2012
Server Core
KB5031442
Standard
KB5031442
Windows Server 2012 R2
Server Core
KB5031419
Standard
KB5031419
Windows Server 2016
Server Core
KB5031362
Standard
KB5031362
Windows Server 2019
Server Core
KB5031361
Standard
KB5031361
Windows Server 2022
Server Core
KB5031364
Standard
KB5031364
Common Weakness Enumeration
References
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-41766
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-41766