CVE-2026-42823: Improper access control in Azure Logic Apps allows an authorized attacker to elevate privileges over a network

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CRITICAL 9.9WATCHLISTMITIGATE

CVE-2026-42823 is a critical-severity flaw (CVSS 9.9) affecting azure logic apps. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Improper access control in Azure Logic Apps allows an authorized attacker to elevate privileges over a network.

Why this priority

Critical severity
On your watchlist

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	9.9 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.6% (top 51%)
CISA exploited list	No
Weakness	CWE-284
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 azure logic apps MITIGATE

Affected: all versions

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy azure-logic-apps || rpm -q azure-logic-apps || azure-logic-apps --version

No fixed or unaffected release known

Apply the vendor mitigation from the advisory, disable the affected feature, or restrict network access.

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-2026-42823?

azure logic apps: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2026-42823 being exploited?

CVE-2026-42823 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-2026-42823 affect?

CVE-2026-42823 affects azure logic apps. Severity is critical (CVSS 9.9). Improper access control in Azure Logic Apps allows an authorized attacker to elevate privileges over a network.

How urgent is CVE-2026-42823?

Priority 52/100. Critical severity; On your watchlist

Software pages

Azure vulnerabilities

Related CVEs

CVE-2026-32171 HIGH 8.8 MITIGATE Insufficiently protected credentials in Azure Logic Apps allows an authorized attacker to elevate privileges o
CVE-2026-56161 CRITICAL 9.6 MITIGATE Improper access control in Azure Logic Apps allows an authorized attacker to disclose information over a netwo
CVE-2026-69400 CRITICAL 9.6 MITIGATE Improper limitation of a pathname to a restricted directory ('path traversal') in Azure Logic Apps allows an u

References

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