CVE-2026-45648

HIGH

Windows Active Directory Domain Services Remote Code Execution Vulnerability

Title source: cna
STIX 2.1

Description

Stack-based buffer overflow in Active Directory Domain Services allows an authorized attacker to execute code over a network.

References (1)

Core 1
Core References
Vendor Advisory vendor-advisory patch
Windows Active Directory Domain Services Remote Code Execution Vulnerability
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45648

Scores

CVSS v3 8.8
EPSS 0.0055
EPSS Percentile 41.3%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

CWE
CWE-121
Status published
Products (5)
Microsoft/Windows Server 2022 10.0.20348.0 - 10.0.20348.5256
Microsoft/Windows Server 2025 10.0.26100.0 - 10.0.26100.32995
Microsoft/Windows Server 2025 (Server Core installation) 10.0.26100.0 - 10.0.26100.32995
microsoft/windows_server_2022 < 10.0.20348.5256
microsoft/windows_server_2025 < 10.0.26100.32995
Published Jun 09, 2026
Tracked Since Jun 09, 2026