Affects Microsoft 365 Copilot, a widely used enterprise cloud/AI service; high-severity (9.9) remote privilege escalation with broad enterprise impact.
CVE-2026-85885
Command injection in M365 Copilot enabling privilege escalation and remote command execution.
Is CVE-2026-85885 being exploited?
Not confirmed. CVE-2026-85885 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked.
How severe is CVE-2026-85885?
CVE-2026-85885 is rated Critical with a CVSS score of 9.9. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2026-85885?
Yes. A fix has been recorded for CVE-2026-85885. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-85885 affect?
CVE-2026-85885 affects Microsoft 365 Copilot, Microsoft 365 tenants using Copilot, Azure-hosted Copilot services. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-85885?
Apply MSRC update immediately; restrict Copilot access, monitor logs, rotate credentials.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Authorized attacker can perform command injection via Copilot to escalate privileges, execute commands, access data, and control networked resources.
Immediate action required