CVE-2026-40374: Exposure of sensitive information to an unauthorized actor in Power Automate allows an authorized attacker to

Q: How do I fix CVE-2026-40374?

power automate for desktop: upgrade to 2.67. Exact commands for each OS are on this page.

Q: Is CVE-2026-40374 being exploited?

CVE-2026-40374 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2026-40374 affect?

CVE-2026-40374 affects power automate for desktop. Severity is medium (CVSS 6.5). Exposure of sensitive information to an unauthorized actor in Power Automate allows an authorized attacker to disclose information over a network.

Q: How urgent is CVE-2026-40374?

Priority 42/100. On your watchlist

This month

MEDIUM 6.5WATCHLISTUPGRADE

CVE-2026-40374 is a medium-severity flaw (CVSS 6.5) affecting power automate for desktop. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Exposure of sensitive information to an unauthorized actor in Power Automate allows an authorized attacker to disclose information over a network.

Why this priority

On your watchlist

A fixed release or distro patch exists.

Risk facts

CVSS score	6.5 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.9% (top 42%)
CISA exploited list	No
Weakness	CWE-200
Published	2026-05-12
Last modified	2026-10-26

Publisher (CNA): Microsoft Corporation · Vendor: microsoft

Last updated 2026-10-26 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-05-12 18:17 UTCPublished CVE record published
2026-10-26 18:10 UTCUpdated Record last modified

microsoft power automate for desktop UPGRADE

Affected: < 2.67

Fixed in: 2.67

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy power-automate-for-desktop || rpm -q power-automate-for-desktop || power-automate-for-desktop --version

2. UPGRADE to 2.67 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade power-automate-for-desktop

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade power-automate-for-desktop

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-40374?

power automate for desktop: upgrade to 2.67. Exact commands for each OS are on this page.

Is CVE-2026-40374 being exploited?

CVE-2026-40374 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-40374 affect?

CVE-2026-40374 affects power automate for desktop. Severity is medium (CVSS 6.5). Exposure of sensitive information to an unauthorized actor in Power Automate allows an authorized attacker to disclose information over a network.

How urgent is CVE-2026-40374?

Priority 42/100. On your watchlist

Related CVEs

CVE-2026-77897 HIGH 7.0 UPGRADE Relative path traversal in Power Automate allows an authorized attacker to elevate privileges locally.

References

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