CVE-2026-85887
published 2026-09-18CVE-2026-85887: Incorrect permission assignment for critical resource in M365 Copilot allows an authorized attacker to disclose information over a network.
PriorityP349high7.7CVSS 3.1
AVNACLPRLUINSCCHINAN
EPSS
0.84%
57.5th percentile
Incorrect permission assignment for critical resource in M365 Copilot allows an authorized attacker to disclose information over a network.
Affected
1 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| microsoft | microsoft_365_copilot | — | — |
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GHSA
Incorrect permission assignment for critical resource in M365 Copilot allows an authorized attacker to disclose information over a network.
ghsa_unreviewed·2026-09-18
CVE-2026-85887 [HIGH] CWE-732 Incorrect permission assignment for critical resource in M365 Copilot allows an authorized attacker to disclose information over a network.
Incorrect permission assignment for critical resource in M365 Copilot allows an authorized attacker to disclose information over a network.
VulDB
Microsoft 365 Copilot permission
vuldb·2026-09-18·CVSS 7.7
CVE-2026-85887 [HIGH] Microsoft 365 Copilot permission
A vulnerability was found in Microsoft 365 Copilot. It has been classified as problematic. This affects an unknown part. The manipulation leads to permission issues.
This vulnerability is documented as CVE-2026-85887. The attack can be initiated remotely. There is not any exploit available.
This product is provided as a managed service, meaning users do not have the ability to maintain vulnerability countermeasures themselves.
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
2026-09-18
Published