Medium severity · published Sep 28, 2026
CVE-2026-15952
Improper Permission Assignment in Scheduler Service
6.4
CVSS
0.1%
EPSS
No
On KEV
Description
Incorrect Permission Assignment for Critical Resource vulnerability in ABB Protection and control IED manager (PCM600).
This issue affects Protection and control IED manager (PCM600): through 2.14.
CVSS vector
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
High
Privileges
High
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.1% · higher than 1% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
PA
Protection and control IED manager (PCM600) · ABB
through 2.14 · source: vendor
In the news
VulnerabilityMedium
ABB Protection and Control IED Manager PCM600
View CSAF
Summary
Successful exploitation of these vulnerabilities could allow an attacker to escalate privileges or overwrite files.
The following versions of ABB Protection and Control IED Manager PCM600 are affected:
Protection and Control IED Manager PCM600 <=2.14 (CVE-2026-15952, CVE-2026-15953)
CVSS
Vendor
Equipment
Vulnerabilities
v3 6.4
ABB
ABB Protection and Control IED Manager PCM600
Incorrect Permission Assignment for Critical Resource, Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Background
Critical Infrastructure Sectors: Energy
Countries/Areas Deployed: Worldwide
Company Headquarters Location: Switzerland
Vulnerabilities
Expand All +
CVE-2026-15952
A vulnerability exists in the Scheduler Service installed with PCM600. The service executes under the LocalSystem account while permissions are granted to standard PCM600 users through membership in the local users group. An attacker with local access and valid user credentials may exploit this vulnerability to elevate privileges and obtain control of the affected host.
View CVE Details
Affected Products
ABB Protection and Control IED Manager PCM600
Vendor: ABB
Product Version: ABB Protection and Control IED Manager PCM600: <=2.14
Product Status: known_affected
Remediations
Mitigation ABB recommends the following workaround. Although this workaround doe...
Oct 1, 2026·CISA Advisories
Affected product
PA
Protection and control IED manager (PCM600)
ABB
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-15952
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-15952
search.abb.com
https://search.abb.com/library/Download.aspx?DocumentID=2NGA003170&LanguageCode=en&DocumentPartId=pdf&Action=Launch
More from Protection and control IED manager (PCM600)
5.0
CVE-2026-15953
Path Traversal During Project Archive Import
