CVE-2026-72977CWE-125CWE-20

CVE-2026-72977

Medium · published September 8, 2026

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

Out-of-bounds read in Microsoft Office PowerPoint 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
Weaknesses
CWE-125 · Out-of-bounds Read; CWE-20 · Improper Input Validation
Published
2026-09-08T22:20Z
Affected products (13)
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—
microsoft/powerpointall versions—
microsoft/powerpointall versions—
References (1)
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-72977 · [email protected]
EPSS history
Timeline
  • 10 SEP 03:18Z
    EPSS moved — → 1%
    epss
  • 08 SEP 17:17Z
    Microsoft Office PowerPoint Information Disclosure Vulnerability
    cvelistv5