CVE-2026-96995CWE-121CWE-197

CVE-2026-96995

High · published October 13, 2026

CVSS v3.1
7.8
EPSS
0%
Percentile
21.4
In the wild
Unconfirmed
What it is

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

The record
Technical detail
CVSS v3.1
7.8 · HIGH
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00299 · 21.4th percentile
Weaknesses
CWE-121 · Stack-based Buffer Overflow; CWE-197 · Numeric Truncation Error
Published
2026-10-13T23:22Z
Affected products (9)
ProductVersionsFixed in
microsoft/365_appsall versions—
microsoft/365_appsall versions—
microsoft/microsoft_365all versions—
microsoft/office_2021all versions—
microsoft/office_2021all versions—
microsoft/office_2021all versions—
microsoft/office_2024all versions—
microsoft/office_2024all versions—
microsoft/office_2024all versions—
References (1)
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-96995 · [email protected]
EPSS history
Timeline
  • 15 OCT 03:35Z
    EPSS moved — → 0%
    epss
  • 13 OCT 19:00Z
    Microsoft Office Word Elevation of Privilege Vulnerability
    cvelistv5
  • 13 OCT 19:00Z
    Microsoft Office Word Elevation of Privilege Vulnerability
    cvelistv5