CVE-2025-62555CWE-416

CVE-2025-62555

High Β· published December 9, 2025

CVSS v3.1
7.0
EPSS
1%
Percentile
43.4
In the wild
Unconfirmed
What it is

⚑ A sneaky use-after-free vulnerability in Microsoft Office Word lets unauthorized attackers execute code on your system. πŸ¦Έβ€β™‚οΈ Think of it like a chef accidentally using a spoiled ingredient from a previous dish β€” the result can be a total disaster! In this case, Word retains access to memory that it should've cleared, allowing malicious code to slip through undetected. This could lead to an unauthorized user executing harmful commands on your machine, potentially accessing sensitive files or hijacking your system. It's a perfect storm for chaos, as attackers could leverage this hole to wreak havoc on your data and security!

Put simply

Think of it like a chef accidentally using a spoiled ingredient from a previous dish β€” the result can be a total disaster! In this case, Word retains access to memory that it should've cleared, allowing malicious code to slip through undetected. The vulnerability arises from how Microsoft Office Word handles memory allocation, allowing attackers to exploit leftover memory references to execute malicious code locally.

What to do

This could lead to an unauthorized user executing harmful commands on your machine, potentially accessing sensitive files or hijacking your system. It's a perfect storm for chaos, as attackers could leverage this hole to wreak havoc on your data and security! To safeguard your system, ensure that Microsoft Office is updated to the latest version. Regularly check for security patches and consider implementing application whitelisting to limit what can run on your machines. πŸ›‘οΈ You've got this! Stay proactive, follow these steps, and you'll keep your digital world safe and sound! πŸ”’

The record
Technical detail
CVSS v3.1
7.0 Β· HIGH
Vector
CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00520 Β· 43.4th percentile
Weakness
CWE-416 Β· Use After Free
Published
2025-12-09T23:16Z
Affected products (14)
ProductVersionsFixed in
microsoft/365_appsall versionsβ€”
microsoft/365_appsall versionsβ€”
microsoft/officeall versionsβ€”
microsoft/officeall versionsβ€”
microsoft/office_long_term_servicing_channelall versionsβ€”
microsoft/office_long_term_servicing_channelall versionsβ€”
microsoft/office_long_term_servicing_channelall versionsβ€”
microsoft/office_long_term_servicing_channelall versionsβ€”
microsoft/office_long_term_servicing_channelall versionsβ€”
microsoft/office_long_term_servicing_channelall versionsβ€”
microsoft/sharepoint_serverall versionsβ€”
microsoft/sharepoint_serverall versionsβ€”
microsoft/wordall versionsβ€”
microsoft/wordall versionsβ€”
References (1)
EPSS history
Timeline
  • 09 DEC 17:55Z
    Microsoft Word Remote Code Execution Vulnerability
    cvelistv5