How severe is CVE-2026-16800?

CVE-2026-16800 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-16800 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (22nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-16800?

CVE-2026-16800 affects Devolutions Powershell Universal. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-16800?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2026-16800 published?

CVE-2026-16800 was published on 2026-07-24 and last updated on 2026-07-29.

CVE-2026-16800

CVE-2026-16800 is a high-severity vulnerability in Devolutions Powershell Universal with a CVSS 3.x base score of 8.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-94.

Key facts

Severity: High (CVSS 3.x base score 8.8)
EPSS exploit prediction: 0% (22nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-94
Affected product: Devolutions Powershell Universal
Published: 2026-07-24
Last modified: 2026-07-29

Description

Improper control of generation of code ('Code Injection') in the schedule feature in Devolutions PowerShell Universal 2026.2.2 and earlier allows an authenticated user with schedule creation permission to execute arbitrary PowerShell code via crafted schedule parameter names concatenated into a script invocation.

Frequently asked questions

What is CVE-2026-16800?: Improper control of generation of code ('Code Injection') in the schedule feature in Devolutions PowerShell Universal 2026.2.2 and earlier allows an authenticated user with schedule creation permission to execute arbitrary PowerShell code via crafted schedule parameter names concatenated into a script invocation.
How severe is CVE-2026-16800?: CVE-2026-16800 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-16800 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (22nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-16800?: CVE-2026-16800 affects Devolutions Powershell Universal. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-16800?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2026-16800 published?: CVE-2026-16800 was published on 2026-07-24 and last updated on 2026-07-29.

References

https://devolutions.net/security/advisories/DEVO-2026-0025/

Affected products (1)

cpe:2.3:a:devolutions:powershell_universal:*:*:*:*:*:*:*:*

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