---
title: "CVE-2026-80097: Microsoft Authenticator Elevation of Privilege Vulnerability"
url: https://erroneo.us/security/cve/CVE-2026-80097/
description: "CVE-2026-80097 (Microsoft Microsoft Authenticator for Android): Improper authentication in Microsoft Authenticator allows an unauthorized attacker to…"
type: vulnerability-record
section: "Security Digest"
date_published: 2026-09-08
date_modified: 2026-10-27
publisher: erroneo.us
author: erroneo.us Security Desk
cve: "CVE-2026-80097"
kev: false
cvss: 8.6
epss: 0.00534
license: All rights reserved. Quote with attribution and a link.
---

# CVE-2026-80097: Microsoft Authenticator Elevation of Privilege Vulnerability

**Signal:** Normal patch cycle. No exploitation signal; fix it in your next routine update if you are affected. (Computed from CISA KEV, EPSS and CVSS; not an editorial verdict.)

## Should you act?

- No confirmed exploitation. It is not in CISA’s KEV catalog and CISA’s SSVC assessment records no known exploitation. That can change quickly after a public write-up; re-check if you are affected.
- EPSS 0.5% , percentile 45: FIRST’s model estimates a 0.5% chance of exploitation activity in the next 30 days, higher than 45% of all scored CVEs (low). EPSS is a probability, not a verdict.
- Needs local access needed. Lower urgency for most teams unless an attacker could already run code on the machine.
- Editorial verdict: Most can relax. Microsoft Authenticator Android CVE-2026-80097 Token Theft — A serious design flaw with a public write-up, but it was fixed seven weeks ago and Microsoft reports no exploitation: confirm Android devices run Authenticator 6.2606.4246 or later and move on.

## What it is

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

## Affected products (CVE record)

- Microsoft Microsoft Authenticator for Android: 6.0.0 < 6.2606.4246

## Severity

- microsoft CVSS 3.1: 8.6 `CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C`

## Exploitation

- CISA KEV: not listed (no confirmed in-the-wild exploitation known to CISA).
- CISA SSVC assessment: exploitation none , automatable no , technical impact total .
- FIRST EPSS (model of 2026-11-05): 0.53% probability of exploitation activity in the next 30 days; percentile 45.

## Sources

- [Microsoft Authenticator Elevation of Privilege Vulnerability](https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-80097)
- [CVE.org record CVE-2026-80097](https://www.cve.org/CVERecord?id=CVE-2026-80097)
- [NVD entry CVE-2026-80097](https://nvd.nist.gov/vuln/detail/CVE-2026-80097)

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Source page: https://erroneo.us/security/cve/CVE-2026-80097/ · Security Digest: https://erroneo.us/security/ · More: https://erroneo.us/llms.txt