CVE-2026-70105CWE-20

CVE-2026-70105

Medium · published August 21, 2026

CVSS v3.1
6.5
EPSS
1%
Percentile
61.4
In the wild
Unconfirmed
What it is

Improper input validation in Microsoft Office Word allows an unauthorized attacker to disclose information over a network.

The record
Technical detail
CVSS v3.1
6.5 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
CVSS v4.0
Not supplied
EPSS
0.00967 · 61.4th percentile
Weakness
CWE-20 · Improper Input Validation
Published
2026-08-21T02:18Z
Affected products (11)
ProductVersionsFixed in
microsoft/microsoft_365all versions—
microsoft/officeall versions—
microsoft/officeall 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—
microsoft/wordall versions—
microsoft/wordall versions—
References (1)
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-70105 · [email protected]
EPSS history
Timeline
  • 20 AUG 21:46Z
    Microsoft Word Information Disclosure Vulnerability
    cvelistv5