CVE-2026-20960: CWE-285: Improper Authorization in Microsoft Microsoft Power Apps Desktop Client
Improper authorization in Microsoft Power Apps allows an authorized attacker to execute code over a network.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-20960) in Microsoft Power Apps Desktop Client (version 1.0.0) involves improper authorization (CWE-285) that enables an attacker with some level of authorization to execute code remotely over a network. The CVSS 3.1 vector indicates network attack vector, low attack complexity, required privileges, user interaction, and high impact on confidentiality, integrity, and availability. Microsoft has published an official fix for this vulnerability.
Potential Impact
An attacker who is authorized and can interact with the application over the network may execute arbitrary code, potentially compromising confidentiality, integrity, and availability of the affected system. This can lead to full system compromise depending on the privileges of the attacker.
Mitigation Recommendations
An official fix is available from Microsoft. Users should apply the provided patch from the Microsoft Security Response Center advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-20960 to remediate this vulnerability.
CVE-2026-20960: CWE-285: Improper Authorization in Microsoft Microsoft Power Apps Desktop Client
Description
Improper authorization in Microsoft Power Apps allows an authorized attacker to execute code over a network.
CVSS v3.1
Score 8.0high
Affected software
Microsoft
Microsoft Power Apps Desktop Client
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-20960) in Microsoft Power Apps Desktop Client (version 1.0.0) involves improper authorization (CWE-285) that enables an attacker with some level of authorization to execute code remotely over a network. The CVSS 3.1 vector indicates network attack vector, low attack complexity, required privileges, user interaction, and high impact on confidentiality, integrity, and availability. Microsoft has published an official fix for this vulnerability.
Potential Impact
An attacker who is authorized and can interact with the application over the network may execute arbitrary code, potentially compromising confidentiality, integrity, and availability of the affected system. This can lead to full system compromise depending on the privileges of the attacker.
Mitigation Recommendations
An official fix is available from Microsoft. Users should apply the provided patch from the Microsoft Security Response Center advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-20960 to remediate this vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2025-12-04T20:04:16.340Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-20960","vendor":"Microsoft"}]
Threat ID: 696ab2f1b22c7ad868f75dd9
Added to database: 01/16/2026, 21:51:45 UTC
Last enriched: 07/30/2026, 23:53:51 UTC
Last updated: 09/10/2026, 22:23:54 UTC
Views: 790
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