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

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact None

User Interaction Required

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
Microsoft Microsoft Excel for Android affected
Version Status Constraints
- affected —
Microsoft Microsoft PowerPoint for Android affected
Version Status Constraints
- affected —
Microsoft Microsoft Word for Android affected
Version Status Constraints
- affected —

No data.

No data.

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No data.

Project Subscriptions

Vendors Products
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Excel Subscribe
Powerpoint Subscribe
Word Subscribe
Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45649 cve-icon cve-icon
History

Tue, 09 Jun 2026 17:15:00 +0000

Type Values Removed Values Added
Description Improper access control in Office for Android allows an unauthorized attacker to perform spoofing locally.
Title Office for Android Spoofing Vulnerability
First Time appeared Microsoft
Microsoft excel
Microsoft powerpoint
Microsoft word
Weaknesses CWE-284
CPEs cpe:2.3:a:microsoft:excel:*:*:*:*:*:android:*:*
cpe:2.3:a:microsoft:powerpoint:*:*:*:*:*:android:*:*
cpe:2.3:a:microsoft:word:*:*:*:*:*:android:*:*
Vendors & Products Microsoft
Microsoft excel
Microsoft powerpoint
Microsoft word
References
Metrics cvssV3_1

{'score': 7.1, 'vector': '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'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: microsoft

Published:

Updated: 2026-06-09T17:48:34.762Z

Reserved: 2026-05-12T20:33:35.157Z

Link: CVE-2026-45649

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-06-09T17:17:32.040

Modified: 2026-06-09T19:32:51.440

Link: CVE-2026-45649

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-06-09T20:00:19Z

Weaknesses