CVE-2026-33115

CWE-416 — Use After Free3 documents3 sources
Severity
8.4HIGH
EPSS
No EPSS data
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
5
Microsoft Microsoft 365 Apps FOR EnterpriseMicrosoft Microsoft Office Ltsc 2021Microsoft Microsoft Office Ltsc 2024+2 more
Timeline
PublishedApr 14

Description

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

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitability: 2.5 | Impact: 5.9

Affected Packages5 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_office_ltsc_for_mac_202116.0.1 — 16.108.26041219
▶CVEListV5microsoft/microsoft_office_ltsc_for_mac_202416.0.0 — 16.108.26041219
▶CVEListV5microsoft/microsoft_365_apps_for_enterprise16.0.1 — https://aka.ms/OfficeSecurityReleases

🔴Vulnerability Details

2
CVEList
Microsoft Word Remote Code Execution Vulnerability↗2026-04-14
▶
VulDB
Microsoft Office LTSC/LTSC 2021/LTSC 2024 Word use after free↗2026-04-14
▶
CVE-2026-33115 (HIGH CVSS 8.4) | Use after free in Microsoft Office | cvebase.io