CVE-2026-40374
CVE-2026-40374 is a medium-severity vulnerability in Microsoft Power Automate For Desktop with a CVSS 3.x base score of 6.5. 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-200.
Key facts
- Severity: Medium (CVSS 3.x base score 6.5)
- EPSS exploit prediction: 1% (54th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2026-29653
- Weakness: CWE-200
- Affected product: Microsoft Power Automate For Desktop
- Published:
- Last modified:
Description
Exposure of sensitive information to an unauthorized actor in Power Automate allows an authorized attacker to disclose information over a network.
Frequently asked questions
- What is CVE-2026-40374?
- Exposure of sensitive information to an unauthorized actor in Power Automate allows an authorized attacker to disclose information over a network.
- How severe is CVE-2026-40374?
- CVE-2026-40374 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
- Is CVE-2026-40374 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (54th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2026-40374?
- CVE-2026-40374 affects Microsoft Power Automate For Desktop. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2026-40374?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- Does CVE-2026-40374 have an EU (EUVD) identifier?
- Yes. CVE-2026-40374 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-29653.
- When was CVE-2026-40374 published?
- CVE-2026-40374 was published on 2026-05-12 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:microsoft:power_automate_for_desktop:*:*:*:*:*:*:*:*
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