CVE-2026-96997CWE-416

CVE-2026-96997

High · published October 13, 2026

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

Use after free in Microsoft Office OneNote 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
Weakness
CWE-416 · Use After Free
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-2026-96997 · [email protected]
EPSS history
Timeline
  • 15 OCT 03:35Z
    EPSS moved — → 0%
    epss
  • 13 OCT 19:00Z
    Microsoft Office OneNote Elevation of Privilege Vulnerability
    cvelistv5
  • 13 OCT 19:00Z
    Microsoft Office OneNote Elevation of Privilege Vulnerability
    cvelistv5