Authenticator
CVE-2026-26123
MEDIUM
Severity by source
AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Lifecycle Timeline
2DescriptionCVE.org
Cwe is not in rca categories in Microsoft Authenticator allows an unauthorized attacker to disclose information locally.
Articles & Coverage 1
AnalysisAI
Microsoft Authenticator contains an information disclosure vulnerability that allows local attackers to access sensitive data without requiring elevated privileges or user interaction beyond standard operation. The vulnerability stems from improper categorization of security controls, enabling unauthorized disclosure of confidential information on affected systems. …
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Vulnerability AssessmentAI
| Risk Assessment | CVSS 5.5 (MEDIUM). … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | An attacker without authentication could exploit this vulnerability to compromise the affected system. |
| Remediation | Monitor vendor advisories for a patch. Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. …
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External POC / Exploit Code
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