CVE-2026-70313CWE-20

CVE-2026-70313

High · published August 11, 2026

CVSS v3.1
7.8
EPSS
0%
Percentile
39.4
In the wild
Unconfirmed
What it is

Improper input validation in Microsoft Office PowerPoint allows an unauthorized attacker to disclose information 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
0.00466 · 39.4th percentile
Weakness
CWE-20 · Improper Input Validation
Published
2026-08-11T21:19Z
Affected products (11)
ProductVersionsFixed in
microsoft/365_appsall versions—
microsoft/365_appsall versions—
microsoft/microsoft_365all 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-2026-70313 · [email protected]
EPSS history
Timeline
  • 11 AUG 17:05Z
    Microsoft PowerPoint Remote Code Execution Vulnerability
    cvelistv5