CVE-2026-108433CWE-807

CVE-2026-108433

High · published October 16, 2026

CVSS v3.1
7.8
EPSS
0%
Percentile
22.9
In the wild
Unconfirmed
What it is

Reliance on untrusted inputs in a security decision in Microsoft Office Word allows an unauthorized attacker to bypass a security feature locally.

The record
Technical detail
CVSS v3.1
7.8 · HIGH
Vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00312 · 22.9th percentile
Weakness
CWE-807 · Reliance on Untrusted Inputs in a Security Decision
Published
2026-10-16T01:17Z
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-2026-108433 · [email protected]
EPSS history
Timeline
  • 17 OCT 03:28Z
    EPSS moved — → 0%
    epss
  • 15 OCT 20:57Z
    Microsoft Office Word Security Feature Bypass Vulnerability
    cvelistv5
  • 15 OCT 20:57Z
    Microsoft Office Word Security Feature Bypass Vulnerability
    cvelistv5