AUGUST 4, 2026
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Case File

CVE-2026-21521

HIGH · CVSS 7.4 EPSS 0.50%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2026-01-22 · Last synced 2026-08-04

CyberRota Analysis

This is a high severity vulnerability with a CVSS score of 7.4. See the original NVD description below for full technical details.

CVE
CVE-2026-21521
Severity
HIGH
CVSS
7.4
EPSS
0.50%

Original NVD Description

Improper neutralization of escape, meta, or control sequences in Copilot allows an unauthorized attacker to disclose information over a network.

Related CVEs

Other vulnerabilities affecting the same vendor(s)

CVE-2026-18018 MEDIUM CVE-2026-17992 MEDIUM CVE-2026-17932 MEDIUM CVE-2026-17908 MEDIUM CVE-2026-17900 MEDIUM CVE-2026-17863 HIGH