PT-2021-6129 · Microsoft · Office

Fabian Bräunlein + 2 · Published 2021-12-15 · Updated 2026-01-19 · CVE-2021-43905

Positive Technologies (AI Summary)

CVSS v3.1

9.6

Critical

Base vector

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

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

Description The issue is related to incorrect code generation management in Microsoft Office. It allows a remote attacker to execute arbitrary code.

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

Code Injection

Weakness Enumeration

CWE-94

Related Identifiers

BDU:2022-00976

CVE-2021-43905

Affected Products

Office

References · 6

• https://bdu.fstec.ru/vul/2022-00976 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2021-43905 · Security Note
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-43905 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-43905 · Vendor Advisory
• https://t.me/cibsecurity/34023 · Telegram Post
• https://t.me/cvenotify/125393 · Telegram Post