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CVE coverage

CVE-2026-85887

CVSS 7.7 no coverage
View on NVD →
Incorrect permission assignment for critical resource in M365 Copilot allows an authorized attacker to disclose information over a network.

Detection rules

No detection found — yet
None of Sigma, Elastic, Splunk ESCU, YARA, Microsoft Sentinel, Snort, or Suricata currently has a rule referencing CVE-2026-85887.