Quick answers
- Is CVE-2026-56580 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-56580 being exploited in the wild.
- How severe is CVE-2026-56580?
- Low severity, with a CVSS score of 2.2, published 21 July 2026.
- Which products and versions are affected?
- HCL Software MyCloud 10.8.2.
- Is there a fix for CVE-2026-56580?
- 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-2026-56580 attacked?
- It is attacked over the network, in a network appliance.
- Am I affected by CVE-2026-56580?
- Check whether you run HCL Software MyCloud 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
HCL MyCloud version 10.8.2 utilizes a version of Microsoft IIS Server that contains known vulnerabilities or is no longer maintained (CWE-1104). An attacker with high privileges (PR:H) could exploit these underlying weaknesses over a network, though the attack complexity is high (AC:H). Successful exploitation could lead to a limited loss of confidentiality. The vulnerability was identified by HCL Software, and users are encouraged to review the associated security bulletin for remediation steps.
Affected products
- HCL Software MyCloud 10.8.2
Timeline
- 2026-07-21: advisory: Initial disclosure by HCL Software and NVD publication.