CVE-2025-53759

CWE-908 — Use of Uninitialized Resource4 documents4 sources
Severity
7.8HIGH
EPSS
0.1%
top 65.45%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
9
Microsoft Microsoft 365 Apps FOR EnterpriseMicrosoft Microsoft Office 2019Microsoft Microsoft Office Ltsc 2021+6 more
Timeline
PublishedAug 12

Description

Use of uninitialized resource in Microsoft Office Excel 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 Packages9 packages

▶CVEListV5microsoft/office_online_server16.0.0.0 — 16.0.10417.20034
▶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
▶CVEListV5microsoft/microsoft_office_ltsc_for_mac_202116.0.1 — 16.100.25081015

🔴Vulnerability Details

2
CVEList
Microsoft Excel Remote Code Execution Vulnerability↗2025-08-12
▶
GHSA
GHSA-95w8-3q3q-f94x: Use of uninitialized resource in Microsoft Office Excel allows an unauthorized attacker to execute code locally↗2025-08-12
▶

📋Vendor Advisories

1
Microsoft
Microsoft Excel Remote Code Execution Vulnerability↗2025-08-12
▶
CVE-2025-53759 (HIGH CVSS 7.8) | Use of uninitialized resource in Mi | cvebase.io