What is CVE-2025-27489?

CVE-2025-27489 is a security advisory published by Microsoft Security Response Center (MSRC) with High severity. Azure Local Elevation of Privilege Vulnerability

Which CVE IDs does CVE-2025-27489 cover?

CVE-2025-27489 covers the following CVE IDs: CVE-2025-27489. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of CVE-2025-27489?

CVE-2025-27489 has a CVSS v3 base score of 7.8, published by Microsoft Security Response Center (MSRC).

Which products are affected by CVE-2025-27489?

CVE-2025-27489 affects 2 products, including: Azure Stack HCI OS 22H2; Azure Stack HCI OS 23H2.

CVE-2025-27489HighCVSS 7.8

Azure Local Elevation of Privilege Vulnerability

Vendor

Microsoft Security Response Center (MSRC)

Published

April 8, 2025

Last Modified

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🔗 CVE IDs covered (1)

CVE-2025-27489 →

📋 Description

Improper input validation in Azure Local allows an authorized attacker to elevate privileges locally.

🎯 Affected products2

Azure Stack HCI OS 22H2
Azure Stack HCI OS 23H2

✅ Remediation

KB5055526 (Security Update) — fixed build 10.0.20348.3328 KBRelease Notes (Security Update) — fixed build 10.0.25398.1486

🔗 References (5)

advisoryhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-27489
patchhttps://support.microsoft.com/en-us/topic/release-notes-for-azure-stack-hci-version-22h2-fea63106-a0a9-4b6c-bb72-a07985c98a56
referencehttps://support.microsoft.com/help/5055526
patchhttps://learn.microsoft.com/en-us/azure-stack/hci/update/about-updates-23h2
referencehttps://learn.microsoft.com/en-us/azure/azure-local/release-information-23h2?view=azloc-2503