---
id: CVE-2026-45649
title: Office for Android Spoofing Vulnerability
summary: >-
  Improper access control in Office for Android allows an unauthorized attacker
  to perform spoofing locally.
severity: high
cvss: 7.1
cvssVector: 'CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N/E:U/RL:O/RC:C'
cvssSource: cna
cwe:
  - CWE-284
vendor: Microsoft
product: Microsoft Excel for Android
affected:
  - excel_for_android >= 16.0.0.0 < 16.0.20131.20024
  - powerpoint_for_android >= 16.0.0.0 < 16.0.20131.20024
  - word_for_android >= 16.0.0.0 < 16.0.20131.20024
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: total
  timestamp: '2026-06-10T03:57:45.869711Z'
published: '2026-06-09'
updated: '2026-09-24'
sourceUpdated: '2026-09-24T13:43:55.605Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-45649'
references:
  - url: 'https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45649'
    label: Office for Android Spoofing Vulnerability
tags:
  - cve.org
epss: 0.00428
epssPercentile: 0.36657
ingestedAt: '2026-09-24T14:44:21.424Z'
---

## Overview

Improper access control in Office for Android allows an unauthorized attacker to perform spoofing locally.

## Affected

- `excel_for_android >= 16.0.0.0 < 16.0.20131.20024`
- `powerpoint_for_android >= 16.0.0.0 < 16.0.20131.20024`
- `word_for_android >= 16.0.0.0 < 16.0.20131.20024`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.