PT-2025-6326 · Microsoft · Office+2

Published 2025-02-11 · Updated 2025-02-11 · CVE-2025-21390

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 Excel (affected versions not specified) Microsoft Office (affected versions not specified) Excel and 365 Apps for Enterprise (affected versions not specified)

Description: The issue is related to a buffer overflow in dynamic memory, which can be exploited to execute arbitrary code. This allows remote attackers to affect the system.

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

RCE

Heap Based Buffer Overflow

Weakness Enumeration

CWE-122

Related Identifiers

BDU:2025-01551

CVE-2025-21390

Affected Products

365 Apps For Enterprise

Office Excel

Office

References · 6

• https://bdu.fstec.ru/vul/2025-01551 · Security Note
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21390 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-21390 · Security Note
• https://safe-surf.ru/specialists/bulletins-nkcki/718191 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2025-21390 · Security Note
• https://osv.dev/vulnerability/CVE-2025-21390 · Vendor Advisory