MicrosoftRadarIndependent status for Microsoft services

Microsoft Power Apps Desktop Client Spoofing Vulnerability

CVE-2026-26149 is a spoofing vulnerability in Microsoft Power Apps (rated Important, CVSS 9.0).

1 version

Facts

Microsoft id
CVE-2026-26149
Products
Microsoft Power Apps
Severity
Important
Impact
Spoofing
CVSS
9.0
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H/E:U/RL:T/RC:C
Exploited
No
Publicly disclosed
No
Exploitability
Exploitation Less Likely
Customer action required
Yes
Release
2026-Apr
Assigned by
Microsoft
Weakness
CWE-150: Improper Neutralization of Escape, Meta, or Control Sequences
MSRC revision
1.2
Status pages
Power Apps status
First captured by us
(from our first import of this list)
Microsoft last modified
Source
Security updates · open the original at Microsoft

Microsoft's revision notes

  1. Revision 1.0, 2026-04-14: Information published.
  2. Revision 1.1, 2026-04-20: The security impact for this vulnerability has been revised. This change does not affect the available security updates.
  3. Revision 1.2, 2026-04-27: Change the name of the affected software from **Microsoft Power Apps** to **Microsoft Power Apps Desktop Client**. This is an informational change only.

Microsoft says

Improper neutralization of escape, meta, or control sequences in Microsoft Power Apps allows an authorized attacker to perform spoofing over a network.

Security updates,

Read Microsoft's full post

What Microsoft changed

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

  1. First version we captured ·

    The text as we first saw it

    Seen by us · Microsoft's timestamp · Microsoft's page

Other changes for Power Apps