CVE-2026-54988: 365 apps Version not applicable in the source CPE; +15 more affected products

Affected technology

365 apps · Version not applicable in the source CPE
microsoft

excel · 2016
microsoft

microsoft 365 · Version not applicable in the source CPE
microsoft

office 2019 · Version not applicable in the source CPE
microsoft

office 2021 · Version not applicable in the source CPE
microsoft

office 2024 · Version not applicable in the source CPE
microsoft

office online server · before 16.0.10417.20175 (exclusive)
microsoft

Microsoft 365 Apps for Enterprise · 16.0.1 to before https://aka.ms/OfficeSecurityReleases
Microsoft

Microsoft Excel 2016 · 16.0.0.0 to before 16.0.5561.1001
Microsoft

Microsoft Office 2019 · 19.0.0 to before https://aka.ms/OfficeSecurityReleases
Microsoft

Microsoft Office 365 for Mac · 1.0.0 to before 16.111.26071215
Microsoft

Microsoft Office LTSC 2021 · 16.0.1 to before https://aka.ms/OfficeSecurityReleases
Microsoft

Microsoft Office LTSC 2024 · 16.0.0 to before https://aka.ms/OfficeSecurityReleases
Microsoft

Microsoft Office LTSC for Mac 2021 · 16.0.1 to before 16.111.26071215
Microsoft

Microsoft Office LTSC for Mac 2024 · 16.0.0 to before 16.111.26071215
Microsoft

Office Online Server · 16.0.0.0 to before 16.0.10417.20175
Microsoft

Component: Not specified by the source

Attack conditions (Vendor/CNA, CVSS 3.1): Local · No privileges required · User interaction required

What an attacker can do

An unauthorized attacker can disclose information locally. Vendor/CNA’s CVSS 3.1 assessment (base score 6.1/10) rates confidentiality impact as low; integrity impact as none; availability impact as high.