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CVE-2026-26123

MEDIUM CVSS 3.1: 5.5 EPSS 0.04%
Updated Mar 13, 2026
Microsoft
Parameter Value
CVSS 5.5 (MEDIUM)
Affected Versions before 6.8.40
Fixed In 6.8.40
Type CWE-939
Vendor Microsoft
Public PoC No

Cwe is not in rca categories in Microsoft Authenticator allows an unauthorized attacker to disclose information locally.

Attack Parameters

Attack Vector
Local
Requires local access
Attack Complexity
Low
Easy to exploit
Privileges Required
None
No privileges needed
User Interaction
Required
User action required

Impact Assessment

Confidentiality
High
Complete data leak
Integrity
None
No data modification
Availability
None
No disruption

CVSS Vector v3.1

Weakness Type (CWE)

Vulnerable Products 2

Configuration From (including) Up to (excluding)
Microsoft Authenticator
cpe:2.3:a:microsoft:authenticator:*:*:*:*:*:iphone_os:*:*
6.8.40
Microsoft Authenticator
cpe:2.3:a:microsoft:authenticator:*:*:*:*:*:android:*:*
6.2511.7533