What’s Vulnerable › Vulnerabilities

CVE-2026-26149: Microsoft Power Apps Desktop Client Spoofing Vulnerability

• Severity: critical (CVSS 9.0 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-04-14 · updated 2026-10-26
• Weakness: CWE-150

Description

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

Affected products

• Microsoft Power Apps: before 3.26032.10.0 — fixed in 3.26032.10.0
• Microsoft Power Apps: from 1.0.0 before 3.26032.10.0 — fixed in 3.26032.10.0

How to fix

Upgrade to a fixed version: Microsoft Power Apps 3.26032.10.0; Microsoft Power Apps 3.26032.10.0. Check the vendor advisory for mitigations.

References

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-26149

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