CVE-2025-49699 — Use After Free in Microsoft 365 Apps FOR Enterprise

CWE-416 — Use After FreeCWE-476 — NULL Pointer Dereference5 documents4 sources
Severity
7.0HIGHNVD
EPSS
0.1%
top 67.66%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
14
Microsoft 365 Apps FOR EnterpriseMicrosoft Office 2019Microsoft Office Ltsc 2021+11 more
Timeline
PublishedJul 8

Description

Use after free in Microsoft Office allows an unauthorized attacker to execute code locally.

CVSS vector

CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:HExploitability: 1.0 | Impact: 5.9

Affected Packages14 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
▶CVEListV5microsoft/microsoft_office_ltsc_for_mac_202116.0.1 — 16.99.25071321
▶CVEListV5microsoft/microsoft_office_ltsc_for_mac_202416.0.0 — 16.99.25071321

🔴Vulnerability Details

2
CVEList
Microsoft Office Remote Code Execution Vulnerability↗2025-07-08
▶
GHSA
GHSA-jrgj-hh7m-7w4f: Use after free in Microsoft Office allows an unauthorized attacker to execute code locally↗2025-07-08
▶

📋Vendor Advisories

2
Microsoft
Microsoft Office Remote Code Execution Vulnerability↗2025-07-08
▶
Microsoft
filemap: Handle sibling entries in filemap_get_read_batch()↗2025-02-11
▶
CVE-2025-49699 — Use After Free in Microsoft | cvebase