Microsoft Power Apps prior 25121 improper authorization

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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8.2$5k-$25k0.00

Summaryinfo

A vulnerability was found in Microsoft Power Apps. It has been declared as critical. Impacted is an unknown function. The manipulation results in improper authorization. This vulnerability is identified as CVE-2026-20960. The attack can be executed remotely. There is not any exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical has been found in Microsoft Power Apps. Affected is some unknown processing. The manipulation with an unknown input leads to a improper authorization vulnerability. CWE is classifying the issue as CWE-285. The product does not perform or incorrectly performs an authorization check when an actor attempts to access a resource or perform an action. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

Improper authorization in Microsoft Power Apps allows an authorized attacker to execute code over a network.

The advisory is shared for download at msrc.microsoft.com. This vulnerability is traded as CVE-2026-20960 since 12/04/2025. The exploitability is told to be easy. It is possible to launch the attack remotely. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $5k-$25k (estimation calculated on 01/19/2026). The MITRE ATT&CK project declares the attack technique as T1548.002.

Upgrading to version 25121 eliminates this vulnerability.

The vulnerability is also documented in the databases at EUVD (EUVD-2026-3112) and CERT Bund (WID-SEC-2026-0140). Once again VulDB remains the best source for vulnerability data.

Affected

  • Microsoft Apps

Productinfo

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.4
VulDB Meta Temp Score: 8.2

VulDB Base Score: 8.8
VulDB Temp Score: 8.4
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 8.0
CNA Vector (microsoft): 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Improper authorization
CWE: CWE-285 / CWE-266
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Power Apps 25121

Timelineinfo

12/04/2025 CVE reserved
01/16/2026 +43 days Advisory disclosed
01/16/2026 +0 days VulDB entry created
01/19/2026 +3 days VulDB entry last update

Sourcesinfo

Vendor: microsoft.com

Advisory: msrc.microsoft.com
Status: Confirmed

CVE: CVE-2026-20960 (🔒)
GCVE (CVE): GCVE-0-2026-20960
GCVE (VulDB): GCVE-100-341676
EUVD: 🔒
CERT Bund: WID-SEC-2026-0140 - Microsoft Power Apps: Schwachstelle ermöglicht Codeausführung

Entryinfo

Created: 01/16/2026 23:27
Updated: 01/19/2026 16:50
Changes: 01/16/2026 23:27 (62), 01/17/2026 03:34 (1), 01/19/2026 16:50 (7)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

Discussion

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