CVE-2026-26149

Microsoft · Power Apps

Microsoft Power Apps contains a vulnerability involving improper neutralization of control sequences that allows an authorized attacker to bypass security features.

Executive summary

A critical security feature bypass vulnerability in Microsoft Power Apps allows an authorized attacker to compromise system integrity over a network.

Vulnerability

This vulnerability stems from improper neutralization of escape, meta, or control sequences. It requires the attacker to be an authorized user, enabling them to circumvent established security controls.

Business impact

The ability to bypass security features poses a significant risk to organizational data and application integrity. With a CVSS score of 9.0, this flaw indicates a high potential for unauthorized actions that could lead to data exfiltration or privilege escalation, threatening the overall security posture of the business environment.

Remediation

Immediate Action: Apply the latest security updates provided by Microsoft for Power Apps immediately to neutralize the vulnerability.

Proactive Monitoring: Review application access logs for unusual patterns or attempts to execute unauthorized control sequences.

Compensating Controls: Ensure that strict Role-Based Access Control (RBAC) is enforced to limit the potential impact of an authorized user attempting to exploit this bypass.

Exploitation status

Public Exploit Available: Not specified

Analyst recommendation

Given the critical severity score of 9.0, organizations utilizing Microsoft Power Apps must prioritize the identification and installation of vendor-supplied patches. Failure to remediate this bypass vulnerability leaves sensitive business processes and data exposed to potential manipulation by authenticated malicious actors.