How severe is CVE-2025-21187?

CVE-2025-21187 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2025-21187 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-21187?

CVE-2025-21187 affects Microsoft Power Automate For Desktop. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-21187?

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.

Does CVE-2025-21187 have an EU (EUVD) identifier?

Yes. CVE-2025-21187 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-2266.

When was CVE-2025-21187 published?

CVE-2025-21187 was published on 2025-01-14 and last updated on 2026-06-17.

CVE-2025-21187

CVE-2025-21187 is a high-severity vulnerability in Microsoft Power Automate For Desktop with a CVSS 3.x base score of 7.8. 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 7.8)
EPSS exploit prediction: 1% (50th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-2266
Weakness: CWE-94
Affected product: Microsoft Power Automate For Desktop
Published: 2025-01-14
Last modified: 2026-06-17

Description

Microsoft Power Automate Remote Code Execution Vulnerability

Frequently asked questions

What is CVE-2025-21187?: Microsoft Power Automate Remote Code Execution Vulnerability
How severe is CVE-2025-21187?: CVE-2025-21187 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2025-21187 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-21187?: CVE-2025-21187 affects Microsoft Power Automate For Desktop. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-21187?: 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.
Does CVE-2025-21187 have an EU (EUVD) identifier?: Yes. CVE-2025-21187 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-2266.
When was CVE-2025-21187 published?: CVE-2025-21187 was published on 2025-01-14 and last updated on 2026-06-17.

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21187

Affected products (1)

cpe:2.3:a:microsoft:power_automate_for_desktop:*:*:*:*:*:*:*:*

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