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