High severity · published Jul 8, 2025
CVE-2025-47994
Microsoft Office Elevation of Privilege Vulnerability
8.6
CVSS
3.3%
EPSS
No
On KEV
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:C/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)3.3% · higher than 88% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
OF
Office · Microsoft
2016; 2016; 2019; 2019 · source: NVD
M3
Microsoft 365 Apps for Enterprise · Microsoft
16.0.1 before https://aka.ms/OfficeSecurityReleases · source: vendor
MO
Microsoft Office 2016 · Microsoft
16.0.0 before 16.0.5508.1001 · source: vendor
MO
Microsoft Office 2019 · Microsoft
19.0.0 before https://aka.ms/OfficeSecurityReleases · source: vendor
MO
Microsoft Office LTSC 2021 · Microsoft
16.0.1 before https://aka.ms/OfficeSecurityReleases · source: vendor
MO
Microsoft Office LTSC 2024 · Microsoft
16.0.0 before https://aka.ms/OfficeSecurityReleases · source: vendor
OL
Office Long Term Servicing Channel · Microsoft
2021; 2021; 2024; 2024 · source: NVD
SE
Sharepoint Enterprise Server · Microsoft
2016 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-47994
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-47994
Vendor Advisory
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-47994
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