AUGUST 4, 2026
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Case File

CVE-2026-21257

HIGH · CVSS 8 EPSS 0.84%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2026-02-10 · Last synced 2026-08-04

CyberRota Analysis

This is a high severity vulnerability with a CVSS score of 8.0. It affects GitHub.

CVE
CVE-2026-21257
Severity
HIGH
CVSS
8
EPSS
0.84%
GitHub

Original NVD Description

Improper neutralization of special elements used in a command ('command injection') in GitHub Copilot and Visual Studio allows an authorized attacker to elevate privileges over a network.

Related CVEs

Other vulnerabilities affecting the same vendor(s)