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Azure Database for PostgreSQL Elevation of Privilege Vulnerability

CVE-2026-85878 is an elevation of privilege vulnerability in Azure Database for PostgreSQL (rated Critical, CVSS 9.9). Microsoft fixed it in the service; customers need to do nothing.

1 version

Facts

Microsoft id
CVE-2026-85878
Products
Azure Database for PostgreSQL
Severity
Critical
Impact
Elevation of Privilege
CVSS
9.9
CVSS 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
Exploited
No
Publicly disclosed
No
Customer action required
No
Release
2026-Sep
Assigned by
Microsoft
Weakness
CWE-285: Improper Authorization
MSRC revision
1.0
Status pages
Azure Database for PostgreSQL status
First captured by us
(from our first import of this list)
Microsoft last modified
Source
Security updates · open the original at Microsoft

Microsoft's revision notes

  1. Revision 1.0, 2026-09-17: Information published.

Microsoft says

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

Security updates,

Read Microsoft's full post

What Microsoft changed

One version so far. If Microsoft edits it, each change shows here with what was removed and added.

  1. First version we captured ·

    The text as we first saw it

    Seen by us · Microsoft's timestamp · Microsoft's page

Other changes for Azure Database for PostgreSQL

Last updated