PT-2025-32845 · Microsoft · Office

Guang Gong + 2 · Published 2025-08-12 · Updated 2025-10-16 · CVE-2025-53740

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 Office (affected versions not specified)

Description: A use-after-free issue exists in Microsoft Office, potentially allowing an unauthorized attacker to execute code locally. The vulnerability may allow remote attackers to execute arbitrary code and affect the system. Several use-after-free bugs were identified within Microsoft Office and Word, where malicious code execution is possible upon opening a compromised document. It is reported that some of these vulnerabilities are being exploited in real-world attacks.

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:2025-10034

CVE-2025-53740

Affected Products

Office

References · 16

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-53740 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-53740 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2025-53740 · Security Note
• https://bdu.fstec.ru/vul/2025-10034 · Security Note
• https://osv.dev/vulnerability/CVE-2025-53740 · Vendor Advisory
• https://roboshadow.com/blog/patch-tuesday-august-2025?rid=socialpost · Reddit Post
• https://t.me/purp_sec/1027 · Telegram Post
• https://twitter.com/kernyx64/status/1957476474656616650 · Twitter Post
• https://t.me/cveNotify/132485 · Telegram Post
• https://t.me/CVEtracker/29797 · Telegram Post
• https://t.me/true_secator/7322 · Telegram Post
• https://t.me/msrcreports/2114 · Telegram Post
• https://t.me/msrcreports/2192 · Telegram Post
• https://twitter.com/CVEnew/status/1955322633173577851 · Twitter Post
• https://twitter.com/windowsforum/status/1955337031430623523 · Twitter Post