PT-2021-5086 · Microsoft · 365 Apps For Enterprise+2

Shilongan · Published 2021-11-09 · Updated 2026-05-19 · CVE-2021-42296

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Microsoft Word (affected versions not specified)

Description The issue is related to incorrect code generation management in Microsoft Office and Microsoft 365 Apps for Enterprise packages. Exploitation of this issue may allow an attacker to execute arbitrary code, potentially leading to full system compromise.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

RCE

Code Injection

Weakness Enumeration

CWE-94

Related Identifiers

BDU:2021-05868

CVE-2021-42296

Affected Products

365 Apps For Enterprise

Office

Office Word

References · 7

• https://bdu.fstec.ru/vul/2021-05868 · Security Note
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-42296 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-42296 · Vendor Advisory
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-42296 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-42296 · Security Note
• https://t.me/cveNotify/164082 · Telegram Post
• https://cybersecurity-help.cz/vdb/SB2021110942 · Note