CVE WatchJul 23, 2026

CVE-2026-42824

Improper neutralization of special elements used in a command ('command injection') in M365 Copilot allows an unauthorized attacker to discl

CVSS

6.5

Medium

EPSS

7.6%

p95

KEV

—

Exploit Today

0-100

Published: Jun 4, 2026 · Last modified: Jul 23, 2026 · CWE-77

EPSS · 30d

0.9%EPSS · 30 days7.6%

2026-10-022026-10-30

Technical description

Improper neutralization of special elements used in a command ('command injection') in M365 Copilot allows an unauthorized attacker to disclose information over a network.

Official references

msrc.microsoft.comhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-42824

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