CVE-2025-21346 — Protection Mechanism Failure in Microsoft 365 Apps FOR Enterprise

CWE-693 — Protection Mechanism Failure4 documents4 sources
Severity
7.8HIGHNVD
CNA7.1
EPSS
0.3%
top 45.85%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
7
Microsoft 365 Apps FOR EnterpriseMicrosoft Office 2016Microsoft Office 2019+4 more
Timeline
PublishedJan 14

Description

Microsoft Office Security Feature Bypass Vulnerability

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HExploitability: 1.8 | Impact: 5.9

Affected Packages7 packages

▶CVEListV5microsoft/microsoft_office_201616.0.0 — 16.0.5483.1001
▶CVEListV5microsoft/microsoft_office_201919.0.0 — https://aka.ms/OfficeSecurityReleases
▶CVEListV5microsoft/microsoft_office_ltsc_202116.0.1 — https://aka.ms/OfficeSecurityReleases
▶CVEListV5microsoft/microsoft_office_ltsc_202416.0.0 — https://aka.ms/OfficeSecurityReleases
▶NVDmicrosoft/office2016, 2019+1

Patches

Patch: msrc.microsoft.com ↗

🔴Vulnerability Details

2
GHSA
GHSA-6xcg-8gp2-j443: Microsoft Office Security Feature Bypass Vulnerability↗2025-01-14
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CVEList
Microsoft Office Security Feature Bypass Vulnerability↗2025-01-14
▶

📋Vendor Advisories

1
Microsoft
Microsoft Office Security Feature Bypass Vulnerability↗2025-01-14
▶
CVE-2025-21346 — Protection Mechanism Failure | cvebase