CVE-2026-26123
Received Received - Intake
Information Disclosure in Microsoft Authenticator via Local Unauthorized Access

Publication date: 2026-03-10

Last updated on: 2026-03-13

Assigner: Microsoft Corporation

Description
Cwe is not in rca categories in Microsoft Authenticator allows an unauthorized attacker to disclose information locally.
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Meta Information
Published
2026-03-10
Last Modified
2026-03-13
Generated
2026-06-16
AI Q&A
2026-03-10
EPSS Evaluated
2026-06-15
NVD
CVE-2026-26123
EUVD
EUVD-2026-10796
Affected Vendors & Products
Showing 2 associated CPEs
Vendor Product Version / Range
microsoft authenticator to 6.2511.7533 (exc)
microsoft authenticator to 6.8.40 (exc)
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-939 The product uses a handler for a custom URL scheme, but it does not properly restrict which actors can invoke the handler using the scheme.
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Executive Summary

This vulnerability exists in Microsoft Authenticator and allows an unauthorized attacker to locally disclose information. It is categorized under a CWE that is not included in the root cause analysis categories.

Impact Analysis

The vulnerability can lead to local information disclosure by an unauthorized attacker. This means sensitive information stored or accessible through Microsoft Authenticator could be exposed without proper authorization.

Compliance Impact

I don't know

Detection Guidance

I don't know

Mitigation Strategies

I don't know

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