CVE-2025-49666

Heap-based buffer overflow in Windows Kernel allows an authorized attacker to execute code over a network.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
7.2 HIGH
NETWORK
LOW
HIGH
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
microsoftCNA
7.2 HIGH
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
CISA-ADPADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 29%
VendorProductVersion
microsoftwindows_server_2016
𝑥
< 10.0.14393.8246
microsoftwindows_server_2019
𝑥
< 10.0.17763.7558
microsoftwindows_server_2022
𝑥
< 10.0.20348.3932
microsoftwindows_server_2022_23h2
𝑥
< 10.0.25398.1732
microsoftwindows_server_2025
𝑥
< 10.0.26100.4652
𝑥
= Vulnerable software versions