CVE-2026-108454: Buffer over-read in Microsoft Office PowerPoint allows an unauthorized attacker to disclose information over a network.

PriorityP339medium6.5CVSS 3.1

AVNACLPRNUIRSUCHINAN

EPSS

0.50%

42.1th percentile

Buffer over-read in Microsoft Office PowerPoint allows an unauthorized attacker to disclose information over a network.

Affected

6 ranges

Vendor	Product	Version range	Fixed in
microsoft	microsoft_365_apps_for_enterprise	>= 16.0.1 < https://aka.ms/OfficeSecurityReleases	https://aka.ms/OfficeSecurityReleases
microsoft	microsoft_office_365_for_mac	>= 1.0.0 < 16.114.26101123	16.114.26101123
microsoft	microsoft_office_ltsc_2021	>= 16.0.1 < 16.0.14334.20974	16.0.14334.20974
microsoft	microsoft_office_ltsc_2024	>= 16.0.0 < 16.0.17932.21056	16.0.17932.21056
microsoft	microsoft_office_ltsc_for_mac_2021	>= 16.0.1 < 16.114.26101123	16.114.26101123
microsoft	microsoft_office_ltsc_for_mac_2024	>= 16.0.0 < 16.114.26101123	16.114.26101123

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