PT-2025-32844 · Microsoft · Office Excel

Devoke + 3 · Published 2025-08-12 · Updated 2025-10-16 · CVE-2025-53739

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: Access of a resource using an incompatible type ('type confusion') in Microsoft Office Excel allows an unauthorized attacker to execute code locally. The vulnerability allows remote attackers to execute arbitrary code and affect the system.

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

RCE

Type Confusion

Weakness Enumeration

CWE-843

Related Identifiers

BDU:2025-10033

CVE-2025-53739

Affected Products

Office Excel

References · 10

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-53739 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-53739 · Security Note
• https://bdu.fstec.ru/vul/2025-10033 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2025-53739 · Security Note
• https://osv.dev/vulnerability/CVE-2025-53739 · Vendor Advisory
• https://twitter.com/CVEnew/status/1955322633966194964 · Twitter Post
• https://t.me/CVEtracker/29796 · Telegram Post
• https://twitter.com/windowsforum/status/1955336940212965865 · Twitter Post
• https://t.me/cveNotify/132484 · Telegram Post
• https://t.me/msrcreports/2193 · Telegram Post