---
id: CVE-2026-85878
title: >-
  Improper authorization in Azure Database for PostgreSQL allows an authorized
  attacker to elevate privileges over a network.
summary: >-
  Improper authorization in Azure Database for PostgreSQL allows an authorized
  attacker to elevate privileges over a network.
severity: critical
cvss: 9.9
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H'
cwe:
  - CWE-285
vendor: microsoft
product: azure_horizondb
affected:
  - azure_horizondb
published: '2026-09-18'
updated: '2026-09-25'
sourceUpdated: '2026-09-25T14:24:14.790'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-85878'
references:
  - url: 'https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-85878'
    label: secure@microsoft.com
tags:
  - nvd
  - cve.org
epss: 0.00795
epssPercentile: 0.54571
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: total
  timestamp: '2026-09-18T14:09:55.757207Z'
ingestedAt: '2026-09-17T23:31:20.693Z'
---

## Overview

Improper authorization in Azure Database for PostgreSQL allows an authorized attacker to elevate privileges over a network.

## Affected

- `azure_horizondb`

## Remediation

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