# Windows Admin Center Elevation of Privilege Vulnerability

CVE record · `CVE-2026-57107`

- **Identifiers:** `CVE-2026-57107`
- **State:** Confirmed
- **Severity:** CVSS 7.8 High
- **Critical:** No
- **CNA:** microsoft
- **Weakness (CWE):** [CWE-287](https://cwe.mitre.org/data/definitions/287.html)
- **Tags:** [Authentication bypass](https://agentprime.io/advisories/tag/auth-bypass.md)
- **Technologies:** [Microsoft Windows Admin Center](https://agentprime.io/advisories/technology/microsoft-windows-admin-center.md)
- **Published:** 14 Jul 2026
- **Updated:** 10 Nov 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: microsoft) at 14 Jul 2026, 17:05 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

## Affected products, as the CNA wrote them

- Vendor: Microsoft. Product: Windows Admin Center.
  - affected: `1809.0 to before 2.7.4` (custom)

## Machine-written summary

Summary written by Claude Haiku from the source advisory. Not reviewed by a person.

> Microsoft Windows Admin Center versions from 1809.0 before 2.7.4 contain an improper authentication flaw that allows an authorized attacker to elevate privileges locally. An attacker needs local access and an existing authorized account, after which they can gain higher privileges on the system. Upgrade to Windows Admin Center 2.7.4 or later. The source gives few details about the specific conditions of exploitation.

Written 13 Nov 2026.

## Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

## Severity and exploitation

- 7.8 High, CVSS 3.1: `CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C`, from CNA (microsoft)

- **CISA KEV:** Not listed.
- **EPSS:** 0.0030, the 22nd percentile, on 13 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

## Timeline

- 14 Jul 2026, 17:05 UTC: [Confirmed by the CVE List](https://www.cve.org/CVERecord?id=CVE-2026-57107)

## Sources

- [CVE List: CVE-2026-57107](https://www.cve.org/CVERecord?id=CVE-2026-57107)
- [NVD: CVE-2026-57107](https://nvd.nist.gov/vuln/detail/CVE-2026-57107)

### References from the CNA

- <https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-57107> (vendor-advisory, patch)

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.

## Check whether this affects you

This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it. Compare the affected versions above with what you run.

- With the agentprime MCP server (<https://api.agentprime.io/mcp>), `get_advisory` returns this record and `search_advisories` finds related ones. Setup: <https://agentprime.io/mcp.md>
- As JSON: <https://api.agentprime.io/v1/advisories/CVE-2026-57107>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-57107/>. Everything for agents: <https://agentprime.io/llms.txt>.