# CVE-2026-122988: Microsoft Windows Admin Center privilege escalation

Source: https://junglewise.ai/threats/cve-2026-122988-improper-authorization-in-windows-admin-center-allows-an  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-11-10. Updated: 2026-11-10  
License: CC BY 4.0 with a link back

CVE-2026-122988 · Severity: high · CVSS 8 · Published 2026-11-10

Windows Admin Center is a web-based management tool that administrators use to configure and monitor Windows servers and clusters. An attacker who has already obtained valid login credentials can exploit an improper authorization flaw to gain elevated privileges on managed systems across the network, potentially taking control of critical infrastructure.

Technologies: [Microsoft Windows Admin Center](https://junglewise.ai/threats/technologies/windows-admin-center). Vendors: [Microsoft](https://junglewise.ai/threats/vendors/microsoft).

## Quick answers

**Is CVE-2026-122988 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-122988 being exploited in the wild.

**How severe is CVE-2026-122988?** High severity, with a CVSS score of 8, published 10 November 2026.

**Which products and versions are affected?** Microsoft Windows Admin Center.

**Is there a fix for CVE-2026-122988?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**How is CVE-2026-122988 attacked?** It is attacked over the network, in a web application.

**Am I affected by CVE-2026-122988?** Check whether you run Microsoft Windows Admin Center. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Technical details

The vulnerability is an improper authorization issue in Windows Admin Center that allows an authenticated attacker to escalate privileges over the network. An attacker with valid credentials can exploit this flaw to gain elevated access to managed systems. No patch information is available in the provided advisory.

## Affected products

- Microsoft Windows Admin Center

## Timeline

- 2026-11-10: disclosed

## References

- [https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-122988](https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-122988)

## Related threats

- [Microsoft Windows RDP information disclosure in Remote Desktop Web Client](https://junglewise.ai/threats/cve-2026-56171-microsoft-windows-rdp-information-disclosure-in-remote-desktop)
- [Microsoft Windows Admin Center cross-site scripting](https://junglewise.ai/threats/cve-2026-58643-microsoft-windows-admin-center-cross-site-scripting)
- [Microsoft Windows Admin Center command injection](https://junglewise.ai/threats/cve-2026-56197-microsoft-windows-admin-center-command-injection)
- [Microsoft Windows Admin Center path traversal remote code execution](https://junglewise.ai/threats/cve-2026-56196-microsoft-windows-admin-center-path-traversal-remote-code)
- [Microsoft Windows Admin Center improper authorization code execution](https://junglewise.ai/threats/cve-2026-58631-microsoft-windows-admin-center-improper-authorization-code)