Microsoft 365 Copilot
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As of 11/08/2026, Microsoft 365 Copilot recorded 2 security vulnerabilities in the last 90 days, of which 2 are rated High or Critical. None of these vulnerabilities is actively exploited (KEV) according to CISA's catalog. CyStack recommends that organizations and individual users apply patches as soon as possible.
CyStack does not yet have sufficient official-source data to identify the latest version of Microsoft 365 Copilot and determine which vulnerabilities affect that version.
CyStack VulnScan continuously discovers assets, validates vulnerabilities, and helps security teams prioritize remediation across the organization.
CVE-2026-85887M365 Copilot Information Disclosure VulnerabilityCVE-2026-85885Microsoft 365 Copilot Elevation of Privilege VulnerabilityCVE-2026-50517Microsoft M365 Copilot Remote Code Execution VulnerabilityCVE-2026-41106Microsoft 365 Copilot Elevation of Privilege VulnerabilityCVE-2026-47645Microsoft 365 Copilot's Business Chat Elevation of Privilege Vulnerability| Vulnerability | Exploitation status | Fix | Published | Severity |
|---|---|---|---|---|
CVE-2026-85887M365 Copilot Information Disclosure Vulnerability | Exploitation statusNot exploited | FixYes |
| SeverityHigh |
CVE-2026-85885Microsoft 365 Copilot Elevation of Privilege Vulnerability | Exploitation statusNot exploited | FixYes | Published09/17/2026 | SeverityCritical |
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CVE-2026-50517Microsoft M365 Copilot Remote Code Execution Vulnerability | Exploitation statusNot exploited | FixYes | Published07/24/2026 | SeverityCritical |
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CVE-2026-41106Microsoft 365 Copilot Elevation of Privilege Vulnerability | Exploitation statusNot exploited | FixYes | Published07/02/2026 | SeverityCritical |
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CVE-2026-47645Microsoft 365 Copilot's Business Chat Elevation of Privilege Vulnerability | Exploitation statusNot exploited | FixYes | Published06/19/2026 | SeverityHigh |
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CVE-2026-42895Microsoft Copilot Tampering Vulnerability | Exploitation statusNot exploited | FixYes | Published06/19/2026 | SeverityMedium |
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CVE-2026-54130M365 Copilot Information Disclosure Vulnerability | Exploitation statusNot exploited | FixYes | Published06/18/2026 | SeverityCritical |
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CVE-2026-45497Microsoft M365 Copilot Remote Code Execution Vulnerability | Exploitation statusNot exploited | FixYes | Published06/04/2026 | SeverityHigh |
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CVE-2026-42824M365 Copilot Information Disclosure Vulnerability | Exploitation statusNot exploited | FixYes | Published06/04/2026 | SeverityMedium |
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CVE-2026-42827M365 Copilot Information Disclosure Vulnerability | Exploitation statusNot exploited | FixYes | Published05/22/2026 | SeverityMedium |
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CVE-2026-33102Microsoft 365 Copilot Elevation of Privilege Vulnerability | Exploitation statusNot exploited | FixYes | Published04/23/2026 | SeverityCritical |
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CVE-2026-24299M365 Copilot Information Disclosure Vulnerability | Exploitation statusNot exploited | FixYes | Published03/19/2026 | SeverityMedium |
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CVE-2026-24307M365 Copilot Information Disclosure Vulnerability | Exploitation statusNot exploited | FixYes | Published01/22/2026 | SeverityCritical |
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CVE-2025-32711M365 Copilot Information Disclosure Vulnerability | Exploitation statusNot exploited | FixYes | Published06/11/2025 | SeverityCritical |
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14 Results | Page 1 of 1