Public exploit available
Public proof-of-concept or exploit code exists (ExploitDB / Metasploit / Nuclei).

CVE-2025-27751 — Use After Free in Microsoft 365 Apps FOR Enterprise

CWE-416 — Use After Free6 documents5 sources
Severity
7.8HIGHNVD
EPSS
1.2%
top 21.38%
CISA KEV
Not in KEV
Exploit
PoC available
Public exploit / PoC exists
Affected products
11
Microsoft 365 Apps FOR EnterpriseMicrosoft Excel 2016Microsoft Office 2019+8 more
Timeline
PublishedApr 8
Latest updateJun 20

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 Packages11 packages

▶CVEListV5microsoft/microsoft_excel_201616.0.0.0 — 16.0.5495.1000
▶CVEListV5microsoft/office_online_server16.0.0.0 — 16.0.10417.20003
▶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-j233-wqrg-q9v9: Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally↗2025-04-08
▶
CVEList
Microsoft Excel Remote Code Execution Vulnerability↗2025-04-08
▶

💥Exploits & PoCs

2
Exploit-DB
Microsoft Excel LTSC 2024 - Remote Code Execution (RCE)↗2025-06-20
▶
Exploit-DB
Microsoft Excel Use After Free - Local Code Execution↗2025-06-15
▶

📋Vendor Advisories

1
Microsoft
Microsoft Excel Remote Code Execution Vulnerability↗2025-04-08
▶
CVE-2025-27751 — Use After Free in Microsoft | cvebase