Description
Improper authorization in Azure Database for PostgreSQL allows an authorized attacker to elevate privileges over a network.
Published: 2026-09-17
Score: 9.9 Critical
EPSS: < 1% Very Low
KEV: No
Impact: Privilege Escalation
Action: Patch Now
AI Analysis

Impact

Improper authorization in Azure Database for PostgreSQL allows an attacker who already has some authorized access to elevate privileges over the network, potentially attaining full control over the database and its data. The weakness is an instance of improper authorization (CWE-285).

Affected Systems

Microsoft Azure HorizonDB, which is Azure Database for PostgreSQL. No specific version information is provided.

Risk and Exploitability

The vulnerability has a CVSS score of 9.9, indicating critical severity. The EPSS score is less than 1 %, suggesting that exploitation is currently unlikely but could change. It is not listed in the CISA KEV catalog. Based on the description, the likely attack vector is remote over a network; an attacker must already be authenticated or have some authorized presence within the environment to take advantage of the improper authorization and increase their privileges.

Generated by OpenCVE AI on September 18, 2026 at 23:27 UTC.

Remediation

No solution or workaround provided in the CVE record.

OpenCVE Recommended Actions

  • Update Azure Database for PostgreSQL to the latest version that contains the Microsoft security update for the authorization flaw.
  • Verify role‑based access controls and reduce privileges to the minimum required for each user or service account.
  • Limit database connectivity to trusted IP ranges or Virtual Network subnets and enforce firewall rules.
  • Monitor authentication and privilege change logs for anomalous activity and configure alerts for potential escalation attempts.

Generated by OpenCVE AI on September 18, 2026 at 23:27 UTC.

Tracking

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Advisories

No advisories yet.

History

Fri, 25 Sep 2026 14:30:00 +0000

Type Values Removed Values Added
CPEs cpe:2.3:a:microsoft:azure_horizondb:-:*:*:*:*:*:*:*

Sat, 19 Sep 2026 05:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Thu, 17 Sep 2026 23:30:00 +0000

Type Values Removed Values Added
Description Improper authorization in Azure Database for PostgreSQL allows an authorized attacker to elevate privileges over a network.
Title Azure Database for PostgreSQL Elevation of Privilege Vulnerability
First Time appeared Microsoft
Microsoft azure Horizondb
Weaknesses CWE-285
CPEs cpe:2.3:a:microsoft:azure_horizondb:*:*:*:*:*:*:*:*
Vendors & Products Microsoft
Microsoft azure Horizondb
References
Metrics cvssV3_1

{'score': 9.9, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C'}


Subscriptions

Microsoft Azure Horizondb
cve-icon MITRE

Status: PUBLISHED

Assigner: microsoft

Published:

Updated: 2026-10-08T18:20:38.881Z

Reserved: 2026-09-04T18:18:19.325Z

Link: CVE-2026-85878

cve-icon Vulnrichment

Updated: 2026-09-18T14:30:40.894Z

cve-icon NVD

Status : Analyzed

Published: 2026-09-18T00:17:47.777

Modified: 2026-09-25T14:24:14.790

Link: CVE-2026-85878

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-09-18T23:30:15Z

Weaknesses