CVE-2025-49711

CWE-416 — Use After Free4 documents4 sources
Severity
7.8HIGH
EPSS
0.2%
top 52.05%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
11
Microsoft Microsoft 365 Apps FOR EnterpriseMicrosoft Microsoft Excel 2016Microsoft Microsoft Office 2019+8 more
Timeline
PublishedJul 8

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 Packages12 packages

▶CVEListV5microsoft/microsoft_excel_201616.0.0.0 — 16.0.5508.1001
▶CVEListV5microsoft/office_online_server16.0.0.0 — 16.0.10417.20027
▶NVDmicrosoft/office_online_server< 16.0.10417.20027
▶CVEListV5microsoft/microsoft_office_201919.0.0 — https://aka.ms/OfficeSecurityReleases
▶CVEListV5microsoft/microsoft_office_ltsc_202116.0.1 — https://aka.ms/OfficeSecurityReleases

🔴Vulnerability Details

2
GHSA
GHSA-8r72-qqq9-q3qq: Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally↗2025-07-08
▶
CVEList
Microsoft Excel Remote Code Execution Vulnerability↗2025-07-08
▶

📋Vendor Advisories

1
Microsoft
Microsoft Excel Remote Code Execution Vulnerability↗2025-07-08
▶
CVE-2025-49711 (HIGH CVSS 7.8) | Use after free in Microsoft Office | cvebase.io