CVE-2026-85885: CWE-77: Improper Neutralization of Special Elements used in a Command ('Command Injection') in Microsoft Microsoft 365 Copilot
Improper neutralization of special elements used in a command ('command injection') in M365 Copilot allows an authorized attacker to elevate privileges over a network.
CVE-2026-85885: CWE-77: Improper Neutralization of Special Elements used in a Command ('Command Injection') in Microsoft Microsoft 365 Copilot
Description
Improper neutralization of special elements used in a command ('command injection') in M365 Copilot allows an authorized attacker to elevate privileges over a network.
CVSS v3.1
Score 9.9critical
Affected software
Microsoft
Microsoft 365 Copilot
Weaknesses
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-09-04T18:18:19.327Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Is Cloud Service
- true
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-85885","vendor":"Microsoft"}]
Threat ID: 6aac71a655bf5e2cf50b5a6b
Added to database: 09/17/2026, 23:03:02 UTC
Last updated: 09/17/2026, 23:03:02 UTC
Views: 1
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