Azure Logic Apps Elevation of Privilege Vulnerability

CVE-2026-42823 is an elevation of privilege vulnerability in Azure Logic Apps (rated Important, CVSS 9.9).

1 version

Microsoft id: CVE-2026-42823
Products: Azure Logic Apps
Severity: Important
Impact: Elevation of Privilege
CVSS: 9.9
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C
Exploited: No
Publicly disclosed: No
Exploitability: Exploitation Less Likely
Customer action required: Yes
Release: 2026-May
Assigned by: Microsoft
Weakness: CWE-284: Improper Access Control
MSRC revision: 1.0
Status pages: Azure Logic Apps status
First captured by us: 13 Nov 2026, 15:51 UTC (from our first import of this list)
Microsoft last modified: 12 May 2026, 14:00 UTC
Source: Security updates · open the original at Microsoft

Microsoft's revision notes

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

Security updates, 14:00 UTC, 12 May

One version so far. If Microsoft edits it, each change shows here with what was removed and added.

First version we captured · 15:51 UTC, 13 Nov
The text as we first saw it
Seen by us 15:51 UTC, 13 Nov · Microsoft's timestamp 14:00 UTC, 12 May · Microsoft's page

Last updated 13 Nov 2026, 15:51 UTC