Quick answers
- Is CVE-2026-26147 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-26147 being exploited in the wild.
- How severe is CVE-2026-26147?
- High severity, with a CVSS score of 7.7, published 22 May 2026.
- Which products and versions are affected?
- Microsoft Azure Compute Gallery.
- Is there a fix for CVE-2026-26147?
- 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-2026-26147 attacked?
- It is attacked over the network, in a hosted service.
- Am I affected by CVE-2026-26147?
- Check whether you run Microsoft Azure Compute Gallery. 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
A vulnerability exists in Microsoft Azure Compute Gallery due to improper input validation (CWE-20). An authenticated attacker with low-level privileges can exploit this flaw over the network without any user interaction. By sending specially crafted requests to the service, the attacker can bypass intended access controls to disclose sensitive information. The vulnerability has been assigned a CVSS score of 7.7, reflecting a high impact on confidentiality with a scope change, indicating the attacker may access data beyond the immediate security scope of the affected component. As this is an exclusively hosted service, Microsoft typically manages the backend updates.
Affected products
- Microsoft Azure Compute Gallery
Timeline
- 2026-05-22: advisory: Initial advisory published by Microsoft and NVD.