CVE-2025-59243 — Use After Free in Microsoft 365 Apps FOR Enterprise

CWE-416 — Use After Free4 documents4 sources
Severity
7.8HIGHNVD
EPSS
0.1%
top 82.44%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
4
Microsoft 365 Apps FOR EnterpriseMicrosoft Office Ltsc 2021Microsoft Office Ltsc 2024+1 more
Timeline
PublishedOct 14

Description

Use after free 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 Packages4 packages

▶CVEListV5microsoft/microsoft_office_ltsc_202116.0.1 — https://aka.ms/OfficeSecurityReleases
▶CVEListV5microsoft/microsoft_office_ltsc_202416.0.0 — https://aka.ms/OfficeSecurityReleases
▶CVEListV5microsoft/microsoft_365_apps_for_enterprise16.0.1 — https://aka.ms/OfficeSecurityReleases

🔴Vulnerability Details

2
GHSA
GHSA-2hmq-pr23-r74w: Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally↗2025-10-14
▶
CVEList
Microsoft Excel Remote Code Execution Vulnerability↗2025-10-14
▶

📋Vendor Advisories

1
Microsoft
Microsoft Excel Remote Code Execution Vulnerability↗2025-10-14
▶
CVE-2025-59243 — Use After Free in Microsoft | cvebase