Quick answers
- Is CVE-2026-33105 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-33105 being exploited in the wild.
- How severe is CVE-2026-33105?
- Critical severity, with a CVSS score of 10, published 3 April 2026.
- Which products and versions are affected?
- Microsoft Azure Kubernetes Service All versions.
- Is there a fix for CVE-2026-33105?
- 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-2026-33105 attacked?
- It is attacked over the network, in a hosted service.
- Am I affected by CVE-2026-33105?
- Check whether you run Microsoft Azure Kubernetes Service 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
An improper authorization vulnerability (CWE-285/CWE-863) exists in Microsoft Azure Kubernetes Service (AKS). The flaw allows a remote, unauthenticated attacker to bypass security checks and elevate their privileges to a higher level within the Kubernetes environment. According to the CVSS 3.1 score of 10.0, the attack vector is network-based, requires low complexity, and involves no user interaction. Successful exploitation results in a total loss of confidentiality, integrity, and availability, with the impact extending beyond the immediate security scope of the AKS component. As this is an exclusively hosted service, Microsoft typically manages the deployment of fixes, but users should consult the MSRC update guide for specific configuration requirements.
Affected products
- Microsoft Azure Kubernetes Service All versions
Timeline
- 2026-04-02: disclosed
- 2026-04-03: advisory