CVE-2026-42895
Improper neutralization of special elements used in a command ('command injection') in Microsoft Copilot allows an unauthorized attacker to perform tampering over a network.
CSIRTS triage
- What
- Improper neutralization of command elements allows unauthorized tampering.
- Who is affected
- Users of Microsoft Copilot may be affected.
- Urgency
- Remediation is medium urgency due to the medium severity rating.
- Action
- Apply the relevant patches once available.
AI-assisted analysis generated from the source advisory — verify against the original.
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Exploitation outlook
- Low exploitation risk0.40% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 32% of all EPSS-scored CVEs.
Advisory coverage (1)
- mediumCVE-2026-42895: Microsoft Copilot Tampering Vulnerabilitymsrc · 2026-06-09
External references
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[](https://www.csirts.com/cve/CVE-2026-42895)