What is the CVSS score of EUVD-2026-54319?

EUVD-2026-54319 has a CVSS 3.1 base score of 9.1 (Critical). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H. EPSS exploitation probability: 0.5%.

Which versions of Azure Confidential Ledger are affected by EUVD-2026-54319?

Azure Confidential Ledger, Microsoft's managed cryptographic ledger service, contains a critical remote code execution vulnerability (CVSS 9.1) allowing authorized users with elevated privileges to…

How to fix or mitigate EUVD-2026-54319?

Within 24 hours, inventory all Azure Confidential Ledger instances in your environment and contact Microsoft Support to confirm server-side remediation deployment status and timeline. Within 7 days, verify that Microsoft has deployed the server-side fix across all affected instances and analyze access audit logs to determine whether this vulnerability was exploited. Within 30 days, complete remediation validation documentation, implement Azure RBAC restrictions limiting elevated privilege access to Azure Confidential Ledger, and archive evidence of fix deployment for compliance records.

Azure Confidential Ledger EUVD-2026-54319

| CVE-2026-68823 CRITICAL

Exposed Dangerous Method or Function (CWE-749)

2026-08-07 secure@microsoft.com

GHSA-3qxj-38rm-h2rg

Information Disclosure Microsoft Azure Confidential Ledger

9.1

CVSS 3.1 · Vendor: microsoft

Severity by source

Vendor (microsoft) PRIMARY

9.1 CRITICAL

AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

ENISA EUVD

HIGH

qualitative

vuln.today AI

9.1 CRITICAL

Network-reachable dangerous method executable only by an already-authorized high-privilege user (PR:H); low complexity, no UI, and enclave/consortium trust-boundary crossing justifies S:C with full CIA impact.

3.1 AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

4.0 AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:L/SI:L/SA:L

Primary rating from Vendor (microsoft).

CVSS VectorVendor: microsoft

Attack Vector

Network

Attack Complexity

Low

Privileges Required

High

User Interaction

None

Scope

Changed

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

Analysis Generated

Aug 07, 2026 - 00:36 vuln.today

CVE Published

Aug 07, 2026 - 00:16 nvd

CRITICAL 9.1

DescriptionCVE.org

Exposed dangerous method or function in Azure Confidential Ledger allows an authorized attacker to execute code over a network.

AnalysisAI

Remote code execution in Azure Confidential Ledger allows an authorized attacker with elevated privileges to invoke an exposed dangerous method over the network and run arbitrary code, with a scope change (S:C) that lets the impact reach beyond the initially compromised component. Microsoft rates it CVSS 9.1 (Critical); there is no public exploit identified at time of analysis and it is not listed in CISA KEV. Because Azure Confidential Ledger is a managed cloud service, remediation is delivered server-side by Microsoft rather than by customer patching.

Technical ContextAI

Azure Confidential Ledger is a Microsoft managed tamper-evident, cryptographically verifiable ledger service built on the Confidential Consortium Framework (CCF) and hardware-backed Trusted Execution Environments (Intel SGX/AMD SEV-SNP enclaves), used to store append-only records with strong integrity guarantees. The root cause is classified as CWE-749 (Exposed Dangerous Method or Function): an internal or privileged method that performs powerful operations was reachable through the service's network-facing interface, allowing a caller who reaches that endpoint to trigger code execution. The scope change (S:C) in the CVSS vector indicates the exploited component and the impacted component differ - consistent with an enclave/consortium service where crossing a trust boundary affects resources the vulnerable component would not normally control.

RemediationAI

Because Azure Confidential Ledger is a Microsoft-operated cloud service, the fix is applied server-side by Microsoft and generally requires no customer action beyond confirming the update per the MSRC advisory (https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-68823); treat patch status as 'Patch available per vendor advisory' and verify the mitigation status shown in the Azure portal for your resource. As compensating controls until confirmation, restrict the set of principals holding high privileges on the ledger by tightening Azure RBAC role assignments (removes the PR:H precondition for most users, at the cost of operational friction for admins), enforce least-privilege and just-in-time access via Azure AD Privileged Identity Management, and review ledger access/audit logs for anomalous privileged method invocations. Network-restrict the ledger endpoint using private endpoints/allowed IP ranges to shrink the reachable attack surface, accepting that this may break connectivity for legitimate remote clients that are not yet allow-listed.