What is CVE-2026-45648?

CVE-2026-45648 is a security advisory published by Microsoft Security Response Center (MSRC) with Critical severity. Windows Active Directory Domain Services Remote Code Execution Vulnerability

Which CVE IDs does CVE-2026-45648 cover?

CVE-2026-45648 covers the following CVE IDs: CVE-2026-45648. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of CVE-2026-45648?

CVE-2026-45648 has a CVSS v3 base score of 8.8, published by Microsoft Security Response Center (MSRC).

Which products are affected by CVE-2026-45648?

CVE-2026-45648 affects 4 products, including: Windows Server 2022; Windows Server 2022 (Server Core installation); Windows Server 2025; Windows Server 2025 (Server Core installation).

CVE-2026-45648CriticalCVSS 8.8

Windows Active Directory Domain Services Remote Code Execution Vulnerability

Vendor

Microsoft Security Response Center (MSRC)

Published

June 10, 2026

Last Modified

—

🔗 CVE IDs covered (1)

CVE-2026-45648 →

📋 Description

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

🎯 Affected products4

Windows Server 2022
Windows Server 2022 (Server Core installation)
Windows Server 2025
Windows Server 2025 (Server Core installation)

✅ Remediation

KB5094128 (Security Update) — fixed build 10.0.20348.5256 KB5094125 (Security Update) — fixed build 10.0.26100.32995

🔗 References (5)

advisoryhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45648
patchhttps://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB5094128
referencehttps://support.microsoft.com/help/5094128
patchhttps://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB5094125
referencehttps://support.microsoft.com/help/5094125