msrc_CVE-2026-85887

csafUSmsrc_csaf

M365 Copilot Information Disclosure Vulnerability

view advisory published 2026-09-17

To determine the support lifecycle for your software, see the Microsoft Support Lifecycle: https://support.microsoft.com/lifecycle

01

describes (1)

Related CVEs.

IDseverity exploitable
CVE-2026-85887UShigh7.7—
Incorrect permission assignment for critical resource in M365 Copilot allows an authorized attacker to disclose information over a network.
02

references

External citations — patches, advisories, analysis.

scry

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