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Fencer Intel
high 7.8

CVE-2026-96995 json

Microsoft Office Word Elevation of Privilege Vulnerability

published 29d ago modified yesterday also EUVD-2026-99800

cvss
7.8
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.3%
EPSS 0.3% chance of exploitation in 30 days, percentile 23%
public exploits
0
none known

Summary

Stack-based buffer overflow in Microsoft Office Word allows an authorized attacker to elevate privileges locally.

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
29d ago

Exploit prediction

0.31% chance of exploitation in the next 30 days, higher than 23% of all scored CVEs (FIRST EPSS, 2026-11-11).

CVSS scores

assigned by version score vector
CNA 3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
CNA 3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/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-121 Stack-based Buffer Overflow
  • CWE-197 Numeric Truncation Error

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.