CVE-2026-70317CWE-908

CVE-2026-70317

Medium · published August 11, 2026

CVSS v3.1
5.5
EPSS
0%
Percentile
36.8
In the wild
Unconfirmed
What it is

Use of uninitialized resource in Microsoft Office allows an unauthorized attacker to disclose information locally.

The record
Technical detail
CVSS v3.1
5.5 · MEDIUM
Vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
CVSS v4.0
Not supplied
EPSS
0.00435 · 36.8th percentile
Weakness
CWE-908 · Use of Uninitialized Resource
Published
2026-08-11T21:19Z
Affected products (13)
ProductVersionsFixed in
microsoft/365_appsall versions—
microsoft/365_appsall versions—
microsoft/microsoft_365all versions—
microsoft/office_2016all versions—
microsoft/office_2016all versions—
microsoft/office_2019all versions—
microsoft/office_2019all 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-2026-70317 · [email protected]
EPSS history
Timeline
  • 11 AUG 17:05Z
    Microsoft Office Information Disclosure Vulnerability
    cvelistv5