CVE-2026-69399 Azure Arc Elevation of Privilege Vulnerability
Critical 10.0
Published
Updated
Check this codebase for CVE-2026-69399 and fix it if it is affected.
What it is: CVE-2026-69399 is a critical vulnerability in Microsoft Azure ARC, published on 17 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2026-69399 in the wild and no public exploit code.
Affected product: Microsoft Azure ARC. No package-level version data is available, so check the vendor advisory linked from the reference page.
Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.
Reference: https://insights.sbomify.com/CVE-2026-69399/ (Markdown: https://insights.sbomify.com/CVE-2026-69399/index.md)
An attacker can elevate privileges within Azure Arc, potentially gaining unauthorized control over connected resources.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-69399?
CVE-2026-69399 is a critical vulnerability in Microsoft Azure ARC, published on 17 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Azure Arc Elevation of Privilege Vulnerability
Weakness: CWE-441
Which versions are affected by CVE-2026-69399?
It affects 1 product.
Products include Microsoft Azure Arc.
How do I fix CVE-2026-69399?
No fix has been published for CVE-2026-69399 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-69399 being exploited?
There is no known exploitation of CVE-2026-69399 in the wild and no public exploit code.
Other vulnerabilities in Microsoft Azure ARC
- CVE-2026-69555 Azure Arc Elevation of Privilege Vulnerability
- CVE-2026-70009 Azure Arc Elevation of Privilege Vulnerability
- CVE-2026-24302 Azure Arc Elevation of Privilege Vulnerability
- CVE-2022-38007 Azure Guest Configuration and Azure Arc-enabled servers Elevation of Privilege Vulnerability
- CVE-2025-26627 Azure Arc Installer Elevation of Privilege Vulnerability
Sources
Also known as GHSA-h8pp-hmv6-8cpq.