CVE-2026-40374 json
Microsoft Power Automate Desktop Information Disclosure Vulnerability
published 5mo ago modified 14d ago also EUVD-2026-29653
- cvss
- 6.5
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.9%
- EPSS 0.9% chance of exploitation in 30 days, percentile 59%
- public exploits
- 0
- none known
Summary
Exposure of sensitive information to an unauthorized actor in Power Automate allows an authorized attacker to disclose information over a network.
Patch / fix
- Microsoft Power Automate for Desktop 2.67
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Check with FencerCISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 5mo ago
Exploit prediction
0.87% chance of exploitation in the next 30 days, higher than 59% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 6.5 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C |
| CNA | 3.1 | 6.5 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N |
Affected products
- Microsoft Power Automate for Desktop
Classification
- Weakness
-
- CWE-200 Exposure of Sensitive Information to an Unauthorized Actor
References
-
msrc.microsoft.com
/update-guide/vulnerability/CVE-2026-40374
vendor-advisory, patch
Sources
- CVE List CVE-2026-40374
- NVD CVE-2026-40374
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.