Microsoft 365 Copilot's Business Chat Elevation of Privilege Vulnerability
view advisory published 2026-06-18
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01
describes (1)
Related CVEs.
| ID | severity | exploitable | ||
|---|---|---|---|---|
| CVE-2026-47645US | high8.8 | — | ||
Url redirection to untrusted site ('open redirect') in Microsoft 365 Copilot's Business Chat allows an unauthorized attacker to elevate privileges over a network. | ||||
02
references
External citations — patches, advisories, analysis.
- CVE-2026-47645 Microsoft 365 Copilot's Business Chat Elevation of Privilege Vulnerability - CSAFself
- CVE-2026-47645 Microsoft 365 Copilot's Business Chat Elevation of Privilege Vulnerability - HTMLself
- Microsoft Support Lifecycleexternal
- Common Vulnerability Scoring Systemexternal
- Microsoft Exploitability Indexexternal
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