CVE-2026-26149 Microsoft Power Apps Desktop Client Spoofing Vulnerability
An authorized attacker can perform spoofing attacks against Microsoft Power Apps Desktop Client users via improper neutralization of control sequences.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-26149?
CVE-2026-26149 is a critical vulnerability in Microsoft Power Apps Desktop Client, published on 14 Apr 2026. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
Improper neutralization of escape, meta, or control sequences in Microsoft Power Apps allows an authorized attacker to perform spoofing over a network.
Weakness: CWE-150
Which versions are affected by CVE-2026-26149?
It affects 1 product.
Products include Microsoft Power Apps.
How do I fix CVE-2026-26149?
No fix has been published for CVE-2026-26149 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-26149 being exploited?
There is no known exploitation of CVE-2026-26149 in the wild and no public exploit code.
Other vulnerabilities in Microsoft Power Apps Desktop Client
- CVE-2026-59118 Copilot Cowork Elevation of Privilege Vulnerability
- CVE-2025-47733 Microsoft Power Apps Information Disclosure Vulnerability
- CVE-2026-32172 Microsoft Power Apps Remote Code Execution Vulnerability
- CVE-2026-20960 PowerApps Desktop Client Remote Code Execution Vulnerability
- CVE-2023-32052 Microsoft Power Apps (online) Spoofing Vulnerability
Sources
Also known as GHSA-grqv-qmhw-8pwc.