What is CVE-2026-41615?

CVE-2026-41615 is a critical-severity vulnerability in Microsoft Authenticator, classified under Information Disclosure. CVSS score: 9.6/10. Published 2026-05-14.

How severe is CVE-2026-41615?

Critical severity. CVSS v3 base score is 9.6 out of 10.

Information disclosure in Microsoft Authenticator

CVE-2026-41615

Exposure of sensitive information to an unauthorized actor in Microsoft Authenticator allows an unauthorized attacker to disclose information over a network.

Vulnerability class: Information Disclosure

EPSS: 0.001 (18.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.6 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H.

Affected products

Microsoft Authenticator
Microsoft Authenticator For Android — versions 6.0.0
Microsoft Authenticator For Ios — versions 6.0.0

Weakness classification (CWE)

CWE-200 — Information Disclosure

References

Microsoft Authenticator Information Disclosure Vulnerability (vendor-advisory, patch, Vendor Advisory)

Frequently asked questions

What is CVE-2026-41615?: CVE-2026-41615 is a critical-severity vulnerability in Microsoft Authenticator, classified under Information Disclosure. CVSS score: 9.6/10. Published 2026-05-14.
How severe is CVE-2026-41615?: Critical severity. CVSS v3 base score is 9.6 out of 10.