CVE-2026-105731

mediumpriority · track · 22EPSS 0.004 · 38 %ileDEFRRUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.43% (38th) EPSS

CVSS 5.5 · medium

Is it mine?

20 products

Check your exposure

Who says so?

4 sources

fstec_bdu · cert_bund · msrc_csaf · certfr

EPSS · scored 2026-10-28

Use of uninitialized resource in Microsoft Graphics Component allows an authorized attacker to disclose information locally.

remediations

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

A vendor fix is available.

FixedMicrosoft Office for Androidmsrc_csaf
16.0.20430.20000:Security Update:https://support.microsoft.com/en-us/microsoft-365
https://support.microsoft.com/en-us/microsoft-365

cvss

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

5.5

010

base score 0–10 · higher = more severe · hover a vector to decode

v3.15.5mediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:Nprimary · secure@microsoft.com USexploitability 1.8 · impact 3.6

v3.15.5mediumAV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:Nsecondary · FSTEC (BDU) RU

v3.15.1mediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:Usecondary · CVSS-BT (t0sche)

v3.15.5mediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/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.

Trackcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-908USCWE-908USCWE-908USCWE-908US

affected products (20)

Products and version ranges known to be affected.

Microsoft 365 Appsall versionscert_bundDEcpe:/a:microsoft:365_apps:-
Microsoft Excelall versionscert_bundDEcpe:/a:microsoft:excel:-
Microsoft Microsoft Office LTSC 2021all versionscert_bundDEcpe:/a:microsoft:microsoft_office_ltsc_2021:-
Microsoft Microsoft Office LTSC 2024all versionscert_bundDEcpe:/a:microsoft:microsoft_office_ltsc_2024:-
Microsoft Office 365 for Macall versionscert_bundDEcpe:/a:microsoft:office_365:for_mac
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 PowerPointall versionscert_bundDEcpe:/a:microsoft:powerpoint:-
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 Skype for Business Server 2015 CU13all versionscert_bundDEcpe:/a:microsoft:skype:for_business_server_2015_cu13
Microsoft Skype for Business Server 2019 CU8all versionscert_bundDEcpe:/a:microsoft:skype:for_business_server_2019_cu8
Microsoft Skype for Business Server Subscription Edition CU1all versionscert_bundDEcpe:/a:microsoft:skype:for_business_server_subscription_edition_cu1
Microsoft Wordall versionscert_bundDEcpe:/a:microsoft:word:-
Microsoft Corp Microsoft Office≤ 16.0.20430.20000fstec_bduRU
Microsoft Microsoft Office for Androidall versionsfixedmsrc_csafUS
Microsoft Microsoft Office for Android< 16.0.20430.20000msrc_csafUS

advisories (3)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2026-3916Microsoft Office Produkte: Mehrere Schwachstellen ermöglichen PrivilegieneskalationDeutsch2026-10-13csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in verschiedenen Microsoft Office Produkten ausnutzen, um seine Privilegien zu erhöhen, um Code auszuführen, um Informationen offenzulegen oder zu manipulieren und um Sicherheitsmechanismen zu umgehen.
msrc_CVE-2026-105731Microsoft Office Graphics Component Information Disclosure Vulnerability2026-10-13csaf · msrc_csafUS
To determine the support lifecycle for your software, see the Microsoft Support Lifecycle: https://support.microsoft.com/lifecycle
CERTFR-2026-AVI-1312Multiples vulnérabilités dans Microsoft OfficeFrançais2026-10-14vendor · certfrFR

also known as (1)

Other names and identifiers for this entity.

BDU:2026-17090 fstec_bdu

sources

Which sources assert this record, and when.

fstec_bdu cert_bund msrc_csaf certfr NVD CVE.org MITRE

published 2026-10-13modified 2026-10-21

references (1) nvd

External citations — patches, advisories, analysis.

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-105731

scry

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