CVE-2026-55145: Outlook Copilot Tampering Vulnerability

Published Jul 14, 2026
·
Updated

Improper neutralization of special elements used in a command ('command injection') in Outlook Copilot allows an authorized attacker to perform tampering over a network.

Affected Software

3 affected components
Microsoft Outlook Copilot
Microsoft Copilot
Microsoft Copilot

Event History

Jul 14, 2026
CVE Published
via Microsoft·02:00 PM
Data Sourced
via Microsoft·02:00 PM
DescriptionSeverityWeakness
Data Sourced
via Microsoft·02:00 PM
Affected Software
Updated
via Microsoft·02:00 PM
Description
CVE Published
via MITRE·05:09 PM
Data Sourced
via MITRE·05:09 PM
DescriptionSeverity
Data Sourced
via NVD·06:18 PM
DescriptionSeverityWeaknessAffected Software
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