CVE-2025-47994
Microsoft Office Elevation of Privilege Vulnerability
Deserialization of untrusted data in Microsoft Office allows an unauthorized attacker to elevate privileges locally.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
Microsoft Office Elevation of Privilege Vulnerability
Deserialization of untrusted data in Microsoft Office allows an unauthorized attacker to elevate privileges locally.
- Record
CVE-2025-47994- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C - Weakness
- CWE-502
- Updated
- 2026-11-02
EUVDEUVD-2025-20630
Deserialization of untrusted data in Microsoft Office allows an unauthorized attacker to elevate privileges locally.
- Record
EUVD-2025-20630- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-c957-43mv-gcvv
Deserialization of untrusted data in Microsoft Office allows an unauthorized attacker to elevate...
Deserialization of untrusted data in Microsoft Office allows an unauthorized attacker to elevate privileges locally.
- Record
GHSA-c957-43mv-gcvv- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - Weakness
- CWE-502
- Updated
- 2026-11-02
NVD
Deserialization of untrusted data in Microsoft Office allows an unauthorized attacker to elevate privileges locally.
- Record
CVE-2025-47994- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - CVSS 3.1
- 8.6 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H - Weakness
- CWE-502
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2025-47994 is a high vulnerability (CVSS 7.8) in Microsoft Office, published July 8, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 3.28%, the 88th percentile. No source names a fixed version.