Microsoft Azure Horizondb vulnerabilities

2 CVEs affecting Microsoft Azure Horizondb, 0 known to be exploited (CISA KEV), with EPSS scores. Latest: CVE-2026-85878, published 2026-09-18.

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Known exploited (CISA KEV) first, then by EPSS exploit probability.

• CVE-2026-48567, published 2026-06-04. Critical severity, CVSS 9.8. EPSS: 0.9% chance of exploitation in the next 30 days. Authentication bypass by spoofing in Azure HorizonDB allows an unauthorized attacker to elevate privileges over a network.
• CVE-2026-85878, published 2026-09-18. Critical severity, CVSS 9.9. EPSS: 0.8% chance of exploitation in the next 30 days. Improper authorization in Azure Database for PostgreSQL allows an authorized attacker to elevate privileges over a network.