CVE-2025-47957: Microsoft Word Remote Code Execution Vulnerability
Overview
- Severity
- High (CVSS 8.4)
- CVSS Vector
- CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
- Category
- Remote Code Execution
- Exploit Status
- Not Exploited
- Exploitation Likelihood
- Unlikely
- Patch Tuesday
- 2025-Jun
- Released
- 2025-06-10
- Last Updated
- 2025-06-10
- EPSS Score
- 1.50% (percentile: 81.1%)
Description
Use after free in Microsoft Office Word allows an unauthorized attacker to execute code locally.
FAQ
Is the Preview Pane an attack vector for this vulnerability?
No, the Preview Pane is not an attack vector.
Are the updates for the Microsoft 365 for Office currently available?
The security update for Microsoft 365 are not immediately available. The updates will be released as soon as possible, and when they are available, customers will be notified via a revision to this CVE information.
According to the CVSS metric, the attack vector is local (AV:L). Why does the CVE title indicate that this is a remote code execution?
The word Remote in the title refers to the location of the attacker. This type of exploit is sometimes referred to as Arbitrary Code Execution (ACE). The attack itself is carried out locally. This means an attacker or victim needs to execute code from the local machine to exploit the vulnerability.
Affected Products (6)
Microsoft Office
- Microsoft 365 Apps for Enterprise for 32-bit Systems
- Microsoft 365 Apps for Enterprise for 64-bit Systems
- Microsoft Office LTSC 2021 for 64-bit editions
- Microsoft Office LTSC 2021 for 32-bit editions
- Microsoft Office LTSC 2024 for 32-bit editions
- Microsoft Office LTSC 2024 for 64-bit editions
Acknowledgments
Haifei Li with <a href="https://pub.expmon.com/">EXPMON</a>
Revision History
- 2025-06-10: Information published.
- 2025-06-10: Microsoft is announcing the availability of the security updates for Microsoft Office 365. Customers running Office 365 should log in ensure you have the latest update to be protected from this vulnerability. See the Release Notes for more information.