CVE-2026-45649

highpriority · track · 0EPSS 0.004 · 37 %ileDEEUNLRUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

0.43% (37th) EPSS

CVSS 7.1 · high

Is it mine?

59 products

Check your exposure

Who says so?

6 sources

cnnvd · enisa_euvd · fstec_bdu · cert_bund

EPSS · scored 2026-10-27

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

remediations

Vendor fix, mitigation, or workaround guidance, as published by each source.

A vendor fix is available.

FixedMicrosoft Excel for Androidmsrc_csaf
16.0.20131.20024:Security Update:https://play.google.com/store/apps/details?id=com.microsoft.office.excel&hl=en_US
https://play.google.com/store/apps/details?id=com.microsoft.office.excel&hl=en_US
FixedMicrosoft PowerPoint for Androidmsrc_csaf
16.0.20131.20024:Security Update:https://play.google.com/store/apps/details?id=com.microsoft.office.powerpoint&hl=en_US
https://play.google.com/store/apps/details?id=com.microsoft.office.powerpoint&hl=en_US
FixedMicrosoft Word for Androidmsrc_csaf
16.0.20131.20024:Security Update:https://play.google.com/store/apps/details?id=com.microsoft.office.word&hl=en_US
https://play.google.com/store/apps/details?id=com.microsoft.office.word&hl=en_US

cvss

Technical severity, 0–10. One row per scoring source.

7.1

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.5–7.1

v3.17.1highAV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:Nsecondary · FSTEC (BDU) RU

v3.17.1highCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N/E:U/RL:O/RC:Csecondary · ENISA EU

v3.17.1highCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:Nsecondary · secure@microsoft.com USexploitability 1.8 · impact 5.2

v3.16.5mediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N/E:Usecondary · CVSS-BT (t0sche)

v3.17.1highCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:Nsecondary · NCSC-NL NL

v3.17.1highCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N/E:U/RL:O/RC:Csecondary · Microsoft Security Response Center US

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: none · Automatable: no · Technical Impact: totalcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-284USCWE-284USCWE-284US

affected products (59)

Products and version ranges known to be affected.

Microsoft 365 Appsall versionscert_bundDEcpe:/a:microsoft:365_apps:-
Microsoft Excel 2016all versionscert_bundDEcpe:/a:microsoft:excel:2016
Microsoft Excel for Androidall versionscert_bundDEcpe:/a:microsoft:excel:webapp:2010:sp2
Microsoft Office 2016all versionscert_bundDEcpe:/a:microsoft:office:2016
Microsoft Office 2019all versionscert_bundDEcpe:/a:microsoft:office:2019:19.0.0
Microsoft Office 365 for Macall versionscert_bundDEcpe:/a:microsoft:office_365:for_mac
Microsoft Office LTSC 2021all versionscert_bundDEcpe:/a:microsoft:office:ltsc_2021
Microsoft Office LTSC 2024all versionscert_bundDEcpe:/a:microsoft:office:ltsc_2024
Microsoft Office LTSC for Mac 2021all versionscert_bundDEcpe:/a:microsoft:office:ltsc_for_mac_2021
Microsoft Office LTSC for Mac 2024all versionscert_bundDEcpe:/a:microsoft:office:ltsc_for_mac_2024
Microsoft Office Online Serverall versionscert_bundDEcpe:/a:microsoft:office_online_server:-
Microsoft Office for Androidall versionscert_bundDEcpe:/a:microsoft:office:for_android
Microsoft PowerPoint for Androidall versionscert_bundDEcpe:/a:microsoft:powerpoint:for_android
Microsoft SharePoint Enterprise Server 2016all versionscert_bundDEcpe:/a:microsoft:sharepoint:enterprise_server_2016
Microsoft SharePoint Server 2019all versionscert_bundDEcpe:/a:microsoft:sharepoint_server_2019:-
Microsoft SharePoint Server Subscription Editionall versionscert_bundDEcpe:/a:microsoft:sharepoint:server_subscription_edition
Microsoft Teams for Androidall versionscert_bundDEcpe:/a:microsoft:teams:for_android
Microsoft Word 2016all versionscert_bundDEcpe:/a:microsoft:word:2016
Microsoft Microsoft Excel for Android16.0.0.0 → 16.0.20131.20024enisa_euvdEU
Microsoft Microsoft PowerPoint for Android16.0.0.0 → 16.0.20131.20024enisa_euvdEU

showing 20 of 59

advisories (3)

Vendor and ecosystem advisories describing this.

NCSC-2026-0182Kwetsbaarheden verholpen in Microsoft OfficeNL2026-06-09csaf · ncsc_nlNL
Microsoft heeft kwetsbaarheden verholpen in diverse Office producten als Sharepoint, Wordt, Project en Excel.
WID-SEC-W-2026-1847Microsoft Office: Mehrere SchwachstellenDeutsch2026-06-09csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in verschiedenen Microsoft Office und SharePoint Produkten ausnutzen, um Administratorrechte zu erlangen, beliebigen Code auszuführen, Spoofing-Angriffe durchzuführen, Daten zu manipulieren oder vertrauliche Informationen offenzulegen.
msrc_CVE-2026-45649Office for Android Spoofing Vulnerability2026-06-09csaf · msrc_csafUS
To determine the support lifecycle for your software, see the Microsoft Support Lifecycle: https://support.microsoft.com/lifecycle

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu cert_bund ncsc_nl msrc_csaf NVD CVE.org MITRE

published 2026-06-09modified 2026-07-23

references (3)

External citations — patches, advisories, analysis.

scry

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