7.7
High
Incorrect permission assignment for critical resource in M365 Copilot allows an authorized attacker to disclose information over a network.
CVE-2026-85887
Incorrect permission assignment for critical resource in M365 Copilot allows an authorized attacker to disclose information over a network.
Assessment
- CVSS
- 7.7 (v3.1)
- Severity
- High
- EPSS
- 0.84% chance of exploitation in the next 30 days
- Known exploited
- Not listed in CISA KEV
- Exploit availability
- Nothing found in Exploit-DB, Metasploit, Nuclei or public PoC repositories
- Published
- 17 September 2026
- Last updated
- 30 October 2026
- Affected
- Microsoft
- Assigner
- microsoft
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N/E:U/RL:O/RC:C
At the source
References
Query this programmatically
Agents can read this through the MCP endpoint, or over HTTP:
curl https://cve.zerocrew.in/api/cve/CVE-2026-85887