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CVE-2026-16800: powershell universal before 2026.2.3.0 (exclusive); +1 more affected products
CVE-2026-16800. CVSS 3.1 base score 8.8 (HIGH, Source advisory). EPSS 0.0053 (percentile 0.43954), scored 22-Oct-2026.
Affected technology
powershell universal · before 2026.2.3.0 (exclusive)
devolutions
PowerShell Universal · 0 to before 2026.2.3
Devolutions
Description’s affected range: 2026.2.2 and earlier
Component: Not specified by the source
Attack conditions (Source advisory, CVSS 3.1): Network (remote) · Low privileges required · No user interaction required
What an attacker can do
An authenticated user with schedule creation permission can execute arbitrary PowerShell code via crafted schedule parameter names concatenated into a script invocation. Source advisory’s CVSS 3.1 assessment (base score 8.8/10) rates confidentiality, integrity and availability impact as high.
- CWE
- CWE-94
- CCR priority
- 35.3 /100 (P4)
- CVSS 3.1
- 8.8 /10 · CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H · Source advisory
- EPSS
- 0.0053 · percentile 0.44013 · 2026-10-24
- KEV
- no
Provenance
- FIRST EPSS daily exploit-probability · Source record · observed 2026-10-24 15:09:16.138216+00:00 UTC
- NVD CVE API 2.0 · Source record · observed 2026-10-24 15:07:27.951960+00:00 UTC
Stable permalink: https://cybercodered.org/item/cve-cve-2026-16800.html