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TI-2026-42200 Aliases CVE-2026-58631GHSA-865x-g7fg-mwh4

Windows Admin Center (WAC) Remote Code Execution Vulnerability

Priority LOW 36CWE-285Published · Updated

Key facts

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

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

Summary

Improper authorization in Windows Admin Center allows an authorized attacker to execute code locally.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00298 22nd percentileScored 2026-11-07
Fix Fixed Windows Admin Center (Microsoft): 2.7.4

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

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 2.7.42.7.4Patch availableCNA
  • Windows Admin Center VendorMicrosoft Affected 1809.0 to before 2.7.4 Fixed in 2.7.4 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:microsoft:windows_admin_center:*:*:*:*:*:*:*:*before 2606VulnerableMicrosoft
  • cpe:2.3:a:microsoft:windows_admin_center:*:*:*:*:*:*:*:* Versions before 2606 Vulnerable ·Microsoft

Remediation

  • Fix · CNA Windows Admin Center (Microsoft) Fixed in 2.7.4

Vendor assessments

Microsoft

Microsoft's page for this CVE →

Impact
Remote Code Execution
Exploited
No
Publicly disclosed
No
Exploitability
Exploitation More Likely
ProductStatusPlan or fix
Windows Admin CenterFixed 2.7.4 · Security Update

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-58631
  2. 2026-10-03 Alias added: GHSA-865x-g7fg-mwh4

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