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Fencer Intel
high 7.0

CVE-2025-59221 json

Microsoft Word Remote Code Execution Vulnerability

published last yr. modified 4mo ago also EUVD-2025-34287

cvss
7.0
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.4%
EPSS 0.4% chance of exploitation in 30 days, percentile 33%
public exploits
0
none known

Summary

Use after free in Microsoft Office Word allows an unauthorized attacker to execute code locally.

Patch / fix

  • Microsoft Microsoft Office LTSC for Mac 2021 16.102.25101223
  • Microsoft Microsoft Office LTSC for Mac 2024 16.102.25101223
  • Microsoft Microsoft SharePoint Enterprise Server 2016 16.0.5522.1000
  • Microsoft Microsoft SharePoint Server 2019 16.0.10417.20059
  • Microsoft Microsoft Word 2016 16.0.5522.1000

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CISA SSVC

Exploitation
none
Automatable
no
Technical impact
total
Assessed
last yr.

Exploit prediction

0.39% chance of exploitation in the next 30 days, higher than 33% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
CNA 3.1 7.0 CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
CNA 3.1 7.0 CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected products

  • Microsoft Microsoft 365 Apps for Enterprise
  • Microsoft Microsoft Office 2019
  • Microsoft Microsoft Office LTSC 2021
  • Microsoft Microsoft Office LTSC 2024
  • Microsoft Microsoft Office LTSC for Mac 2021
  • Microsoft Microsoft Office LTSC for Mac 2024
  • Microsoft Microsoft SharePoint Enterprise Server 2016
  • Microsoft Microsoft SharePoint Server 2019
  • Microsoft Microsoft Word 2016

Classification

Weakness

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.