Vulnerability · Published Oct 9, 2025 · Assigned by microsoft
CVE-2025-59252M365 Copilot Information Disclosure Vulnerability
Critical 9.3
In plain English
A critical-severity command injection in Microsoft 365 Word Copilot from Microsoft. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.6% (higher than 47% of all known vulnerabilities).
Severity (CVSS 3.1)9.3Critical
Exploit odds (30 days)0.6%top 52.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Improper neutralization of special elements used in a command ('command injection') in Copilot allows an unauthorized attacker to disclose information over a network.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | Microsoft 365 Word Copilot | - |
Weakness: CWE-77 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:L/A:N/E:U/RL:O/RC:C
References
- M365 Copilot Information Disclosure Vulnerability vendor-advisory, patch