Critical 9.6Published May 14, 2026

CVE-2026-41615Microsoft Authenticator Information Disclosure Vulnerability

Updated under an hour ago (Oct 27, 2026, 6:40 PM ET)

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It affects Microsoft Authenticator for Android and 2 other products. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Every CVE for Microsoft Authenticator for Android

Exploited in the last 30 days

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

CVSS: 9.6 CRITICAL (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C
Weakness (CWE): CWE-200
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: microsoft
NVD analysis: Analyzed
Record last updated: Aug 10, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Microsoft Microsoft Authenticator for Android microsoft:authenticator_for_android (from the name)	from 6.0.0 before 6.2605.2973	CNA record
Microsoft Microsoft Authenticator for IOS microsoft:authenticator_for_ios (from the name)	from 6.0.0 before 6.8.47	CNA record
microsoft authenticator microsoft:authenticator	before 6.8.47; before 6.2605.2973	NVD

References

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-41615	vendor-advisory, patch

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.