PT-2021-6312 · Microsoft · 365 Apps For Enterprise+2

Sooraj Ks + 1 · Published 2021-12-14 · Updated 2026-05-19 · CVE-2021-43875

Positive Technologies (AI Summary)

CVSS v2.0

9.3

High

Base vector

AV:N/AC:M/Au:N/C:C/I:C/A:C

Name of the Vulnerable Software and Affected Versions Microsoft Office Graphics versions (affected versions not specified) Microsoft 365 Apps for Enterprise versions (affected versions not specified) Microsoft Word versions (affected versions not specified)

Description The issue is related to incorrect code generation management in Microsoft Office Graphics components. This can be exploited by an attacker to execute arbitrary code remotely by opening a specially crafted file. The vulnerability is associated with an integer overflow in the glTF-SDK.

Recommendations For Microsoft Office Graphics, update to a version that includes the fix for this issue. For Microsoft 365 Apps for Enterprise, apply the recommended configuration changes to mitigate the risk of exploitation. For Microsoft Word, consider disabling the use of glTF-SDK until a patch is available. As a temporary workaround, avoid opening specially crafted files from untrusted sources to minimize the risk of exploitation.

Fix

Code Injection

Weakness Enumeration

CWE-94

Related Identifiers

BDU:2022-01301

CVE-2021-43875

ZDI-22-813

Affected Products

365 Apps For Enterprise

Office Graphics

Office Word

References · 7

• https://nvd.nist.gov/vuln/detail/CVE-2021-43875 · Security Note
• https://bdu.fstec.ru/vul/2022-01301 · Security Note
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-43875 · Vendor Advisory
• https://zerodayinitiative.com/advisories/ZDI-22-813 · Security Note
• https://osv.dev/vulnerability/CVE-2021-43875 · Vendor Advisory
• https://twitter.com/f1tym1/status/2056823284327493954 · Twitter Post
• https://t.me/cveNotify/164087 · Telegram Post