DeutschShown in its original language — a full translation is planned for a future version.
Microsoft Apps (Authenticator und 365 Copilot): Mehrere Schwachstellen
view advisory published 2026-09-17
Ein Angreifer kann mehrere Schwachstellen in Microsoft Authenticator und Microsoft 365 Copilot ausnutzen, um seine Privilegien zu erhöhen, und um Informationen offenzulegen.
01
describes (3)
Related CVEs.
| ID | severity | exploitable | ||
|---|---|---|---|---|
| CVE-2026-85887US | high7.7 | — | ||
Incorrect permission assignment for critical resource in M365 Copilot allows an authorized attacker to disclose information over a network. | ||||
| CVE-2026-85885US | high8.8 | — | ||
Improper neutralization of special elements used in a command ('command injection') in M365 Copilot allows an authorized attacker to elevate privileges over a network. | ||||
| CVE-2026-78501US | high8.6 | — | ||
Improper neutralization of special elements used in a command ('command injection') in Microsoft 365 Copilot's Business Chat allows an unauthorized attacker to disclose information… | ||||
02
references
External citations — patches, advisories, analysis.
- Microsoft Leitfaden für Sicherheitsupdatesexternal
- Microsoft Security Advisory CVE-2026-58611external
- Microsoft Security Advisory CVE-2026-78501external
- Microsoft Security Advisory CVE-2026-80097external
- Microsoft Security Advisory CVE-2026-85885external
- Microsoft Security Advisory CVE-2026-85887external
- WID-SEC-W-2026-3457 - CSAF Versionself
- WID-SEC-2026-3457 - Portal Versionself
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