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Fencer Intel
high 8.8

CVE-2026-108432 json

Microsoft Office Word Remote Code Execution Vulnerability

published 25d ago modified 9d ago also EUVD-2026-102444

cvss
8.8
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.6%
EPSS 0.6% chance of exploitation in 30 days, percentile 49%
public exploits
0
none known

Summary

Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code over a network.

Patch / fix

  • Microsoft Microsoft Office 365 for Mac 16.114.26101123
  • Microsoft Microsoft Office LTSC 2021 16.0.14334.20974
  • Microsoft Microsoft Office LTSC 2024 16.0.17932.21056
  • Microsoft Microsoft Office LTSC for Mac 2021 16.114.26101123
  • Microsoft Microsoft Office LTSC for Mac 2024 16.114.26101123

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CISA SSVC

Exploitation
none
Automatable
no
Technical impact
total
Assessed
25d ago

Exploit prediction

0.62% chance of exploitation in the next 30 days, higher than 49% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
CNA 3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
CNA 3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected products

  • Microsoft Microsoft 365 Apps for Enterprise
  • Microsoft Microsoft Office 365 for Mac
  • Microsoft Microsoft Office LTSC 2021
  • Microsoft Microsoft Office LTSC 2024
  • Microsoft Microsoft Office LTSC for Mac 2021
  • Microsoft Microsoft Office LTSC for Mac 2024

Classification

Weakness
  • CWE-122 Heap-based Buffer Overflow

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.