Improper Authorization in Azure Database for PostgreSQL
CVE-2026-85878

9.9CRITICAL

Key Information:

Vendor

Microsoft

Vendor
CVE Published:
17 September 2026

Badges

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What is CVE-2026-85878?

CVE-2026-85878 is a vulnerability affecting Azure Database for PostgreSQL, a cloud-based database service provided by Microsoft designed to manage data and support applications leveraging PostgreSQL. This vulnerability arises from improper authorization mechanisms, which may allow an authenticated attacker to escalate privileges within the database environment. By exploiting this flaw, an attacker could gain unauthorized access to sensitive data or perform actions beyond their intended permissions, undermining the integrity and confidentiality of the database. Given the widespread use of Azure Database for PostgreSQL in various industries, this vulnerability poses a significant risk to organizations relying on it for critical applications and data management.

Potential impact of CVE-2026-85878

  1. Data Breaches: Exploitation of this vulnerability could lead to unauthorized access to sensitive information stored within the database, resulting in potential data breaches that can compromise personal, financial, or proprietary data.

  2. Privilege Escalation: Attackers could elevate their privileges, allowing them to perform administrative functions or make unauthorized changes to the database, leading to further security risks and operational disruptions.

  3. Compliance Violations: As many organizations are subject to regulatory requirements regarding data security, the exploitation of this vulnerability could result in non-compliance with regulations such as GDPR or HIPAA, leading to legal repercussions and financial penalties.

Affected Version(s)

Azure HorizonDB -

References

CVSS V3.1

Score:
9.9
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Changed

Timeline

  • πŸ“ˆ

    Vulnerability started trending

  • Vulnerability published

  • Vulnerability Reserved

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