PT-2025-32314 · Microsoft · M365 Copilot

Jun Kokatsu + 1 · Published 2025-08-07 · Updated 2026-05-09 · CVE-2025-53774

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Microsoft 365 Copilot (affected versions not specified)

Description This issue involves an information disclosure within the Microsoft 365 Copilot BizChat feature.

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

Command Injection

Weakness Enumeration

CWE-77

Related Identifiers

BDU:2025-10042

CVE-2025-53774

Affected Products

M365 Copilot

References · 7

• https://bdu.fstec.ru/vul/2025-10042 · Security Note
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-53774 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-53774 · Security Note
• https://t.me/cveNotify/132301 · Telegram Post
• https://t.me/msrcreports/2097 · Telegram Post
• https://t.me/CVEtracker/29469 · Telegram Post
• https://reddit.com/r/TheSailor/comments/1t8aqx6/critical_microsoft_365_copilot_vulnerabilities · Reddit Post