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TI-2025-21226 Aliases CVE-2025-29819GHSA-437f-4378-pmh4

Windows Admin Center in Azure Portal Information Disclosure Vulnerability

Priority LOW 30CWE-73Published · Updated

Key facts

Attack vector
Local
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Information disclosure
Confidentiality · integrity · availability
High · None · None
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from Microsoft.

Summary

External control of file name or path in Azure Portal Windows Admin Center allows an unauthorized attacker to disclose information locally.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.01071 65th percentileScored 2026-11-07
Fix Fixed Windows Admin Center (Microsoft): 2.4.2.1Windows Admin Center in Azure Portal (Microsoft): 0.45.0.0

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
MicrosoftWindows Admin Center1809.0 to before 2.4.2.12.4.2.1Patch availableCNA
MicrosoftWindows Admin Center in Azure Portal1.0 to before 0.45.0.00.45.0.0Patch availableCNA
  • Windows Admin Center VendorMicrosoft Affected 1809.0 to before 2.4.2.1 Fixed in 2.4.2.1 Patch available CNA
  • Windows Admin Center in Azure Portal VendorMicrosoft Affected 1.0 to before 0.45.0.0 Fixed in 0.45.0.0 Patch available CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:microsoft:windows_admin_center:*:*:*:*:*:azure:*:*before 0.45.0.0VulnerableMicrosoft
cpe:2.3:a:microsoft:windows_admin_center:*:*:*:*:*:*:*:*before 2410VulnerableMicrosoft
  • cpe:2.3:a:microsoft:windows_admin_center:*:*:*:*:*:azure:*:* Versions before 0.45.0.0 Vulnerable ·Microsoft
  • cpe:2.3:a:microsoft:windows_admin_center:*:*:*:*:*:*:*:* Versions before 2410 Vulnerable ·Microsoft

Remediation

  • Fix · CNA Windows Admin Center (Microsoft) Fixed in 2.4.2.1
  • Fix · CNA Windows Admin Center in Azure Portal (Microsoft) Fixed in 0.45.0.0

Vendor assessments

Microsoft

Microsoft's page for this CVE →

Impact
Information Disclosure
Exploited
No
Publicly disclosed
No
Exploitability
Exploitation Less Likely
ProductStatusPlan or fix
Windows Admin CenterFixed 2.4.2.1 · Security Update
Windows Admin Center in Azure PortalFixed 0.45.0.0 · Security Update

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-29819
  2. 2026-10-03 Alias added: GHSA-437f-4378-pmh4

References

Patch 1

  • TI-2026-21113 Windows Admin Center Elevation of Privilege Vulnerability CVSS 3.1HIGH 8.8
  • TI-2026-44936 Microsoft 365 Admin Center Elevation of Privilege Vulnerability CVSS 3.1CRITICAL 9.8
  • TI-2019-00575 An elevation of privilege vulnerability exists when Windows Admin Center improperly… CVSS 3.0CRITICAL 9.8
  • TI-2026-40570 Windows Admin Center (WAC) Remote Code Execution Vulnerability CVSS 3.1HIGH 8.8
  • TI-2026-40569 Windows Admin Center (WAC) Remote Code Execution Vulnerability CVSS 3.1HIGH 8.8
  • TI-2026-40543 Windows Admin Center Elevation of Privilege Vulnerability CVSS 3.1HIGH 8.8
See all 20 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences