CVE-2026-70130CWE-122

CVE-2026-70130

High · published August 11, 2026

CVSS v3.1
8.4
EPSS
0%
Percentile
25.9
In the wild
Unconfirmed
What it is

Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code locally.

The record
Technical detail
CVSS v3.1
8.4 · HIGH
Vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00337 · 25.9th percentile
Weakness
CWE-122 · Heap-based Buffer Overflow
Published
2026-08-11T21:19Z
Affected products (8)
ProductVersionsFixed in
microsoft/365_appsall versions—
microsoft/365_appsall versions—
microsoft/office_2019all versions—
microsoft/office_2019all versions—
microsoft/office_2021all versions—
microsoft/office_2021all versions—
microsoft/office_2024all versions—
microsoft/office_2024all versions—
References (1)
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-70130 · [email protected]
EPSS history
Timeline
  • 11 AUG 17:07Z
    Microsoft Office Remote Code Execution Vulnerability
    cvelistv5