CVE-2025-59286

CRITICAL
Published Oct 9, 2025 Modified Dec 11, 2025 CWE-77

Description

Improper neutralization of special elements used in a command ('command injection') in Copilot allows an unauthorized attacker to disclose information over a network.

CVSS v3.1 Score

9.3
CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:L/A:N

Weakness Type (CWE)

CWE-77 CWE-77

Affected Products

Vendor Product
microsoft 365_copilot_chat

References

Frequently Asked Questions

What is CVE-2025-59286? +
Improper neutralization of special elements used in a command ('command injection') in Copilot allows an unauthorized attacker to disclose information over a network. It has a CVSS v3.1 base score of 9.3 (CRITICAL).
How severe is CVE-2025-59286? +
CVE-2025-59286 has a CVSS v3.1 score of 9.3 out of 10, rated CRITICAL. This is a critical vulnerability that should be patched immediately.
What products are affected by CVE-2025-59286? +
CVE-2025-59286 affects products from microsoft, specifically: 365_copilot_chat. Check the affected products table above for specific version ranges.
How do I check if I'm vulnerable to CVE-2025-59286? +
You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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