PT-2025-1245 · Microsoft · 365 Apps For Enterprise+2

Boolgombear + 1 · Published 2025-01-14 · Updated 2025-08-25 · CVE-2025-21354

Positive Technologies (AI Summary)

CVSS v3.1

8.4

High

Base vector

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

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

Description The issue is related to a remote code execution problem in Microsoft Excel. It is associated with the dereferencing of an untrusted pointer in Microsoft Office and 365 Apps for Enterprise packages. Exploitation of this issue could allow an attacker to execute arbitrary code.

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

RCE

Untrusted Pointer Dereference

Weakness Enumeration

CWE-822

Related Identifiers

BDU:2025-00637

CVE-2025-21354

Affected Products

365 Apps For Enterprise

Office Excel

Office

References · 6

• https://bdu.fstec.ru/vul/2025-00637 · Security Note
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21354 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2025-21354 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-21354 · Security Note
• https://t.me/cveNotify/133308 · Telegram Post
• https://t.me/cvenotify/107403 · Telegram Post