What is CVE-2025-47978?

CVE-2025-47978 is a security advisory published by Microsoft Security Response Center (MSRC) with High severity. Windows Kerberos Denial of Service Vulnerability

Which CVE IDs does CVE-2025-47978 cover?

CVE-2025-47978 covers the following CVE IDs: CVE-2025-47978. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of CVE-2025-47978?

CVE-2025-47978 has a CVSS v3 base score of 6.5, published by Microsoft Security Response Center (MSRC).

Which products are affected by CVE-2025-47978?

CVE-2025-47978 affects 5 products, including: Windows Server 2022; Windows Server 2022 (Server Core installation); Windows Server 2022, 23H2 Edition (Server Core installation); Windows Server 2025; Windows Server 2025 (Server Core installation).

CVE-2025-47978HighCVSS 6.5

Windows Kerberos Denial of Service Vulnerability

Vendor

Microsoft Security Response Center (MSRC)

Published

July 8, 2025

Last Modified

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🔗 CVE IDs covered (1)

CVE-2025-47978 →

📋 Description

Out-of-bounds read in Windows Kerberos allows an authorized attacker to deny service over a network.

🎯 Affected products5

Windows Server 2022
Windows Server 2022 (Server Core installation)
Windows Server 2022, 23H2 Edition (Server Core installation)
Windows Server 2025
Windows Server 2025 (Server Core installation)

✅ Remediation

KB5062572 (Security Update) — fixed build 10.0.20348.3932 KB5062553 (Security Update) — fixed build 10.0.26100.4652 KB5062570 (Security Update) — fixed build 10.0.25398.1732

🔗 References (7)

advisoryhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-47978
patchhttps://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB5062572
referencehttps://support.microsoft.com/help/5062572
patchhttps://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB5062553
referencehttps://support.microsoft.com/help/5062553
patchhttps://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB5062570
referencehttps://support.microsoft.com/help/5062570