PT-2025-50177 · Microsoft · Office Excel

Published 2025-12-09 · Updated 2026-02-13 · CVE-2025-62553

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 Office Excel (affected versions not specified)

Description A use after free condition exists in Microsoft Office Excel. This allows an unauthorized attacker to execute code locally. The issue enables remote attackers to execute arbitrary code and impact the system.

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

RCE

Use After Free

Weakness Enumeration

CWE-416

Related Identifiers

BDU:2025-15522

CVE-2025-62553

Affected Products

Office Excel

References · 8

• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2025-62553 · Security Note
• https://bdu.fstec.ru/vul/2025-15522 · Security Note
• https://safe-surf.ru/specialists/bulletins-nkcki/727074 · Security Note
• https://osv.dev/vulnerability/CVE-2025-62553 · Vendor Advisory
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-62553 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-62553 · Security Note
• https://twitter.com/CVEnew/status/1998781345565184202 · Twitter Post
• https://twitter.com/HaifeiLi/status/1998478383504830856 · Twitter Post