CVE-2025-33071

EUVD-2025-17772
Use after free in Windows KDC Proxy Service (KPSSVC) allows an unauthorized attacker to execute code over a network.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
8.1 HIGH
NETWORK
HIGH
NONE
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
microsoftCNA
8.1 HIGH
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
Base Score
CVSS 3.x
EPSS Score
Percentile: 47%
Affected Products (NVD)
VendorProductVersion
microsoftwindows_server_2012
-
microsoftwindows_server_2016
𝑥
< 10.0.14393.8148
microsoftwindows_server_2019
𝑥
< 10.0.17763.7434
microsoftwindows_server_2022
𝑥
< 10.0.20348.3745
microsoftwindows_server_2022_23h2
𝑥
< 10.0.25398.1665
microsoftwindows_server_2025
𝑥
< 10.0.26100.4270
𝑥
= Vulnerable software versions
Windows Releases
Platform
Version
Windows Server 2012
Server Core
KB5061059
Standard
KB5061059
Windows Server 2012 R2
Server Core
KB5061018
Standard
KB5061018
Windows Server 2016
Server Core
KB5061010
Standard
KB5061010
Windows Server 2019
Server Core
KB5060531
Standard
KB5060531
Windows Server 2022
23H2 Server Core
KB5060118
Server Core
KB5060526
Standard
KB5060526
Windows Server 2025
Server Core
KB5060842
Standard
KB5060842
Common Weakness Enumeration
References
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-33071