Security
Microsoft security updates and public advisory evidence: affected products, fixing updates, exploitation and source coverage.
| CVE | Vulnerability | Severity | CVSS | EPSS | Impact | Status | Fixed by |
|---|---|---|---|---|---|---|---|
| CVE-2026-87701 | Azure Cosmos DB Elevation of Privilege VulnerabilityAzure Cosmos DB | Critical | 9.6 | 0.8% | EoPNetwork | Service-side fix | |
| CVE-2026-70009 | Azure Arc Elevation of Privilege VulnerabilityAzure Arc | Critical | 9.3 | 0.5% | EoPNetwork | Service-side fix | |
| CVE-2026-62916 | Microsoft Entra ID Elevation of Privilege VulnerabilityMicrosoft Entra ID | Critical | 9.1 | 0.9% | EoPNetwork | Service-side fix | |
| CVE-2026-83943 | Azure API Center Information Disclosure VulnerabilityAzure API Center | Critical | 8.7 | 0.5% | Information DisclosureNetwork | Revised 14 Oct | Service-side fix |
| CVE-2026-68791 | Azure Machine Learning Information Disclosure VulnerabilityAzure Machine Learning | Critical | 8.6 | 0.5% | Information DisclosureNetwork | Service-side fix | |
| CVE-2026-69857 | Azure Cosmos DB Spoofing VulnerabilityAzure Cosmos DB | Critical | 8.5 | 0.6% | SpoofingNetwork | Service-side fix | |
| CVE-2026-83946 | Azure Portal Spoofing VulnerabilityAzure Portal | Critical | 8.2 | 0.3% | SpoofingNetwork | Service-side fix | |
| CVE-2026-108456 | Azure AI Foundry Elevation of Privilege VulnerabilityAzure AI Foundry | Critical | 7.7 | 0.7% | EoPNetwork | Service-side fix | |
| CVE-2026-83947 | Azure Event Grid Spoofing VulnerabilityAzure Event Grid | Critical | 7.7 | 0.5% | SpoofingNetwork | Service-side fix | |
| CVE-2026-85917 | Azure AI Foundry Elevation of Privilege VulnerabilityAzure AI Foundry | Critical | 7.5 | 1.0% | EoPNetwork | Service-side fix | |
| CVE-2026-62906 | Microsoft Discovery Studio Information Disclosure VulnerabilityMicrosoft Discovery Studio | Critical | 7.4 | 0.9% | Information DisclosureNetwork | Service-side fix | |
| CVE-2026-114160 | Azure Managed Grafana Elevation of Privilege VulnerabilityAzure Managed Grafana | Critical | — | — | EoP | Service-side fix |
Advisories
MSRC guidance without a CVE of its own · 1 advisory
Hardening changes for ReFS volumes on removable mediaStarting with Windows updates released on and after October 13, 2026, Microsoft is making hardening changes to the Resilient File System (ReFS) . This change is not enable by default until 2027. Please see Hardening changes for ReFS volumes on removable media for more information.