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CVE-2025-62556: 365 apps Version not applicable in the source CPE; +12 more affected products

CVE-2025-62556 affects Office Online Server. CVSS 3.1 base score 7.8 (msrc). EPSS 0.00558 (percentile 0.4456), scored 03-Oct-2026.

Affected technology

365 apps · Version not applicable in the source CPE
microsoft

excel · 2016
microsoft

office · 2019
microsoft

office long term servicing channel · 2021
microsoft

office long term servicing channel · 2024
microsoft

office online server · before 16.0.10417.20075 (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 16.0.5530.1000
Microsoft

Microsoft Office 2019 · 19.0.0 to before https://aka.ms/OfficeSecurityReleases
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 16.104.25121423
Microsoft

Microsoft Office LTSC for Mac 2024 · 16.0.0 to before 16.104.25121423
Microsoft

Office Online Server · 16.0.0.0 to before 16.0.10417.20075
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 execute code locally. Vendor/CNA’s CVSS 3.1 assessment (base score 7.8/10) rates confidentiality, integrity and availability impact as high.

Published

CWE
CWE-822
Product
Office Online Server
CCR priority
31.3 /100 (P4)
CVSS 3.1
7.8 /10 · CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H · Vendor/CNA
EPSS
0.00558 · percentile 0.45003 · 2026-10-13
KEV
no

Provenance

Stable permalink: https://cybercodered.org/item/cve-cve-2025-62556.html