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high advisory

Microsoft Security Updates — July 2026

Roundup of Microsoft security advisories published in July 2026.

PoC PowerShell +516 roundup
10c 227i updated
medium advisory

Kubernetes Secret or ConfigMap Access via Azure Arc Proxy

Detection of unauthorized access to Kubernetes secrets or configmaps via the Azure Arc AAD proxy service account, indicating potential abuse of stolen service principal credentials to read, exfiltrate, or modify sensitive data.

Azure Arc +2 kubernetes azure-arc credential-access collection
2r 2t
medium advisory

Unusual Source IP for Azure Arc Cluster Credential Access

Detects when a service principal or user performs an Azure Arc cluster credential listing operation from a source IP not previously associated with that identity, potentially indicating compromised credentials.

Azure Arc +1 azure azure-arc credential-access
2r 2t