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Vulnerability record · CVE-2026-80097 · published 8 September 2026

CVE-2026-80097: Microsoft authenticator improper authentication vulnerability

Microsoft · Authenticator

Improper authentication in Microsoft Authenticator allows an unauthorized attacker to elevate privileges locally.

8.6 CVSS 3.1 High EPSS 0.44% · top 64.1% CWE-287 · Improper authentication
8.6CVSS 3.1 base score
0.44%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
1References
24 Sep 2026Last modified by NVD

Description

Improper authentication in Microsoft Authenticator allows an unauthorized attacker to elevate privileges locally.

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-80097 Vendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2026-80097), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.