CVE-2025-54907 — Heap-based Buffer Overflow in Microsoft 365 Apps FOR Enterprise

CWE-122 — Heap-based Buffer Overflow4 documents4 sources
Severity
7.8HIGHNVD
EPSS
0.1%
top 77.96%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
6
Microsoft 365 Apps FOR EnterpriseMicrosoft Office 2019Microsoft Office Ltsc 2021+3 more
Timeline
PublishedSep 9

Description

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

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HExploitability: 1.8 | Impact: 5.9

Affected Packages6 packages

▶CVEListV5microsoft/microsoft_office_201919.0.0 — https://aka.ms/OfficeSecurityReleases
▶CVEListV5microsoft/microsoft_office_ltsc_202116.0.1 — https://aka.ms/OfficeSecurityReleases
▶CVEListV5microsoft/microsoft_office_ltsc_202416.0.0 — https://aka.ms/OfficeSecurityReleases

🔴Vulnerability Details

2
GHSA
GHSA-pp96-h6r5-4xc9: Heap-based buffer overflow in Microsoft Office Visio allows an unauthorized attacker to execute code locally↗2025-09-09
▶
CVEList
Microsoft Office Visio Remote Code Execution Vulnerability↗2025-09-09
▶

📋Vendor Advisories

1
Microsoft
Microsoft Office Visio Remote Code Execution Vulnerability↗2025-09-09
▶
CVE-2025-54907 — Heap-based Buffer Overflow | cvebase