RCE in Microsoft GitHub Copilot Chat

CVE-2025-62222

Improper neutralization of special elements used in a command ('command injection') in Visual Studio Code CoPilot Chat Extension allows an unauthorized attacker to execute code over a network.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.008 (56.2th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 56th percentile — 56.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2025-62222: held from 0.007 to 0.008.

EPSS over last 30 days · oldest: 0.007 · newest: 0.008 · change: +0.001

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2025-62222?
CVE-2025-62222 is a high-severity vulnerability in Microsoft GitHub Copilot Chat, classified under Improper Input Validation. CVSS score: 8.8/10. Published 2025-11-11.
How severe is CVE-2025-62222?
High severity. CVSS v3 base score is 8.8 out of 10.
Is CVE-2025-62222 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.