Important CVSS 8.4 EPSS 0.0032 📢 Publicly disclosed 2025-12 archive

Executive Summary

Improper neutralization of special elements used in a command ('command injection') in Copilot allows an unauthorized attacker to execute code locally.

Overview

8.4
CVSS HIGH
Important
MS Severity
Not Exploited
MS Exploit Status
Less Likely
MS Exploit Likelihood
Category Remote Code Execution
Released Dec 9 2025
Last Updated Dec 9 2025
Publicly Disclosed Yes
CISA KEV Not Listed
Known Exploits None Known
EPSS Score 0.0032 — 0.23583 percentile

CVSS Vector

ATTACK VECTOR
Local
ATTACK COMPLEXITY
Low
PRIVILEGES REQUIRED
None
USER INTERACTION
None
SCOPE
Unchanged
Temporal Score: 7.3

EPSS Score

0.0032
probability of exploitation in the next 30 days
0.23583 percentile - updated 2026-06-20
View on FIRST.org

Affected Products

1 affected product
Product KB Article Severity Impact Restart Required
GitHub Copilot Plugin for JetBrains IDEs Release Notes (Security Update) Important Remote Code Execution Maybe

Patches

1 patch
Article Type Restart
Release Notes Security Update Maybe

Known Exploits

Acknowledgments

Ari Marzuk with https://maccarita.com/