CVE-2021-38656

HIGH

Microsoft 365 Apps - Remote Code Execution via Use-After-Free

Title source: llm
STIX 2.1

Description

Microsoft Word Remote Code Execution Vulnerability

References (2)

Core 2
Core References
Third Party Advisory, VDB Entry x_refsource_misc
https://www.zerodayinitiative.com/advisories/ZDI-21-1082/

Scores

CVSS v3 7.8
EPSS 0.0462
EPSS Percentile 90.5%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Details

CWE
CWE-416
Status published
Products (1)
microsoft/365_apps
Published Sep 15, 2021
Tracked Since Feb 18, 2026