---
id: CVE-2026-96995
title: >-
  Stack-based buffer overflow in Microsoft Office Word allows an authorized
  attacker to elevate privileges locally.
summary: >-
  Stack-based buffer overflow in Microsoft Office Word allows an authorized
  attacker to elevate privileges locally.
severity: high
cvss: 7.8
cvssVector: 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'
cwe:
  - CWE-121
  - CWE-197
vendor: microsoft
product: 365_apps
affected:
  - 365_apps
  - microsoft_365
  - office_2021
  - office_2024
published: '2026-10-13'
updated: '2026-10-15'
sourceUpdated: '2026-10-15T21:19:25.793'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-96995'
references:
  - url: 'https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-96995'
    label: secure@microsoft.com
tags:
  - nvd
  - cve.org
epss: 0.00307
epssPercentile: 0.23394
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: total
  timestamp: '2026-10-13T19:37:48.533267Z'
ingestedAt: '2026-10-13T19:43:29.287Z'
---

## Overview

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

## Affected

- `365_apps`
- `microsoft_365`
- `office_2021`
- `office_2024`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.