# CVE-2026-69399: Microsoft Azure Arc elevation of privilege

Source: https://junglewise.ai/threats/cve-2026-69399-microsoft-azure-arc-elevation-of-privilege  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-09-17. Updated: 2026-09-26  
License: CC BY 4.0 with a link back

CVE-2026-69399 · Severity: critical · CVSS 10 · Published 2026-09-17

Azure Arc is Microsoft's service for managing and governing hybrid cloud infrastructure across on-premises, edge, and multicloud environments. This vulnerability allows an attacker with local access to escalate privileges to system level, potentially gaining complete control over managed resources and sensitive data.

Technologies: [Microsoft Azure Arc](https://junglewise.ai/threats/technologies/azure-arc). Vendors: [Microsoft](https://junglewise.ai/threats/vendors/microsoft).

## Quick answers

**Is CVE-2026-69399 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-69399 being exploited in the wild.

**How severe is CVE-2026-69399?** Critical severity, with a CVSS score of 10, published 17 September 2026.

**Which products and versions are affected?** Microsoft Azure Arc <UNKNOWN>.

**Is there a fix for CVE-2026-69399?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**How is CVE-2026-69399 attacked?** It is attacked with local access.

**Am I affected by CVE-2026-69399?** Check whether you run Microsoft Azure Arc at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Technical details

This is an elevation of privilege vulnerability in Azure Arc. The vulnerability requires local access to an affected system but allows an unprivileged attacker to gain elevated (system-level) permissions. The exact root cause and vulnerable component are not detailed in the available references, but the CVSS 10.0 score indicates complete compromise of confidentiality, integrity, and availability is possible. A patch is expected from Microsoft; detailed technical analysis requires access to the Microsoft Security Response Center advisory.

## Affected products

- Microsoft Azure Arc <UNKNOWN>

## Timeline

- 2026-09-17: disclosed

## References

- [https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69399](https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69399)

## Related threats

- [Microsoft Azure Arc path traversal privilege escalation](https://junglewise.ai/threats/cve-2026-70009-improper-limitation-of-a-pathname-to-a-restricted-directory-path)
- [Microsoft Azure Arc cross-domain policy privilege escalation](https://junglewise.ai/threats/cve-2026-62895-microsoft-azure-arc-cross-domain-policy-privilege-escalation)
- [Microsoft Azure Arc privilege escalation via incorrect authorization](https://junglewise.ai/threats/cve-2026-69555-microsoft-azure-arc-privilege-escalation-via-incorrect)
- [Microsoft Azure Arc name resolution privilege escalation](https://junglewise.ai/threats/cve-2026-65816-microsoft-azure-arc-name-resolution-privilege-escalation)