CVE-2026-85878
Azure Database for PostgreSQL Elevation of Privilege Vulnerability
Improper authorization in Azure Database for PostgreSQL allows an authorized attacker to elevate privileges over a network.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
Azure Database for PostgreSQL Elevation of Privilege Vulnerability
Improper authorization in Azure Database for PostgreSQL allows an authorized attacker to elevate privileges over a network.
- Record
CVE-2026-85878- CVSS 3.1
- 9.9 Critical
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 - Weakness
- CWE-285
- Updated
- 2026-11-02
EUVDEUVD-2026-82597
Improper authorization in Azure Database for PostgreSQL allows an authorized attacker to elevate privileges over a network.
- Record
EUVD-2026-82597- CVSS 3.1
- 9.9 Critical
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 - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-9vgx-8238-xgwc
Improper authorization in Azure Database for PostgreSQL allows an authorized attacker to elevate...
Improper authorization in Azure Database for PostgreSQL allows an authorized attacker to elevate privileges over a network.
- Record
GHSA-9vgx-8238-xgwc- CVSS 3.1
- 9.9 Critical
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H - Weakness
- CWE-285
- Updated
- 2026-11-02
NVD
Improper authorization in Azure Database for PostgreSQL allows an authorized attacker to elevate privileges over a network.
- Record
CVE-2026-85878- CVSS 3.1
- 9.9 Critical
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H - Weakness
- CWE-285
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-85878 is a critical vulnerability (CVSS 9.9) in Microsoft Azure Horizondb, published September 17, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.78%, the 56th percentile. No source names a fixed version.