---
id: CVE-2026-62895
title: >-
  Permissive cross-domain policy with untrusted domains in Azure Arc allows an
  unauthorized attacker to elevate privileges over a network.
summary: >-
  Permissive cross-domain policy with untrusted domains in Azure Arc allows an
  unauthorized attacker to elevate privileges over a network.
severity: high
cvss: 8.8
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H'
cwe:
  - CWE-89
  - CWE-942
  - CWE-1390
vendor: Microsoft
product: Azure Arc SQL Server Extension
affected:
  - azure_arc_sql_server_extension >= 1.0.0.0 < 1.1.3518.465
published: '2026-09-08'
updated: '2026-09-10'
sourceUpdated: '2026-09-10T21:17:27.820'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-62895'
references:
  - url: 'https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-62895'
    label: secure@microsoft.com
tags:
  - nvd
  - cve.org
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: total
  timestamp: '2026-09-10T20:54:14.036621Z'
epss: 0.00719
epssPercentile: 0.52001
ingestedAt: '2026-09-08T19:08:49.604Z'
---

## Overview

Permissive cross-domain policy with untrusted domains in Azure Arc allows an unauthorized attacker to elevate privileges over a network.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.