CVE-2025-47994

CWE-502 — Deserialization of Untrusted Data4 documents4 sources
Severity
8.6HIGH
EPSS
1.1%
top 22.03%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
8
Microsoft Microsoft 365 Apps FOR EnterpriseMicrosoft Microsoft Office 2016Microsoft Microsoft Office 2019+5 more
Timeline
PublishedJul 8

Description

Deserialization of untrusted data in Microsoft Office allows an unauthorized attacker to elevate privileges locally.

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 Packages8 packages

▶CVEListV5microsoft/microsoft_office_201616.0.0 — 16.0.5508.1001
▶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

🔴Vulnerability Details

2
GHSA
GHSA-c957-43mv-gcvv: Deserialization of untrusted data in Microsoft Office allows an unauthorized attacker to elevate privileges locally↗2025-07-08
▶
CVEList
Microsoft Office Elevation of Privilege Vulnerability↗2025-07-08
▶

📋Vendor Advisories

1
Microsoft
Microsoft Office Elevation of Privilege Vulnerability↗2025-07-08
▶