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CVE-2026-56161

CRITICAL 9.6 ALL-YEARS

Published 2026-08-06 · Last modified 2026-10-21 · microsoft · NVD: Analyzed

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

ELEVATED IMPACT

Severe if exploited (CVSS 9.6), but no confirmed exploitation. Patch on a normal cadence.

Exploitation likelihood

0.7%chance of exploitation in 30 days · 52nd percentile

○ In CISA KEV○ Catalogued PoC◆ SSVC: exploitation none, automatable no

Impact if exploited

9.6CVSS 3.1 · CRITICAL · CNA

  • ConfidentialityHigh
  • IntegrityHigh
  • AvailabilityNone

What an attacker needs

  • ✓Access: Reachable over the network — no local access needed
  • ⚠Privileges: Requires a low-privilege account
  • ✓User interaction: No user interaction needed
  • ✓Complexity: No special conditions — reliably repeatable

✓ lowers the bar for an attacker · ⚠ raises it

Proof of concept

No public PoC is currently catalogued.

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Affected

Vendors Microsoft

Products Azure Logic Apps

Weakness (CWE)

  • CWE-284: : Improper Access Control

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N/E:U/RL:O/RC:C

References and research data (JSON)

Known Affected Software Configurations

VendorProductVersion range
MicrosoftAzure Logic Apps*

All CVSS metrics

  • CRITICAL 9.6 v3.1 · CNA Primary
    CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N/E:U/RL:O/RC:C
  • CRITICAL 9.6 v3.1 · NVD Secondary
    CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N

References

Patches & mitigations

Advisories

Sources: NVD · CVE.org · All sources and attribution · EPSS