# CVE-2026-15953: ABB Protection and control IED manager incorrect permission assignment

Source: https://junglewise.ai/threats/cve-2026-15952-incorrect-permission-assignment-for-critical-resource  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-09-28. Updated: 2026-09-28  
License: CC BY 4.0 with a link back

CVE-2026-15953 · Severity: high · CVSS 6.4 · Published 2026-09-28

ABB's Protection and control IED manager (PCM600) is software used to configure and manage electrical protection devices in industrial control systems. An incorrect permission assignment vulnerability allows an attacker to gain unauthorized access to critical resources, potentially compromising the integrity and availability of power system protections.

Vendors: [ABB](https://junglewise.ai/threats/vendors/abb).

## Quick answers

**Is CVE-2026-15953 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-15953 being exploited in the wild.

**How severe is CVE-2026-15953?** High severity, with a CVSS score of 6.4, published 28 September 2026.

**Which products and versions are affected?** ABB Protection and Control IED Manager (PCM600) through 2.14.

**Is there a fix for CVE-2026-15953?** 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-2026-15953 attacked?** It is attacked over the network, in a network appliance.

**Am I affected by CVE-2026-15953?** Check whether you run ABB Protection and Control IED Manager (PCM600) 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

Incorrect permission assignment in PCM600 allows authenticated users to access or modify critical resources beyond their intended privilege level. The vulnerability affects versions through 2.14 and requires user authentication and network access to exploit. Successful exploitation grants unauthorized access to critical system functions.

## Affected products

- ABB Protection and control IED manager (PCM600) through 2.14

## Identifiers

- CVE-2026-15953
- CVE-2026-15952

## Timeline

- 2026-09-28: disclosed

## References

- [https://search.abb.com/library/Download.aspx?DocumentID=2NGA003170&LanguageCode=en&DocumentPartId=pdf&Action=Launch](https://search.abb.com/library/Download.aspx?DocumentID=2NGA003170&LanguageCode=en&DocumentPartId=pdf&Action=Launch)

## Related threats

- [ABB Protection and Control IED Manager path traversal](https://junglewise.ai/threats/cve-2026-15953-improper-limitation-of-a-pathname-to-a-restricted-directory-path)