WID-SEC-W-2025-2780

csafDEcert_bund

DeutschShown in its original language — a full translation is planned for a future version.

Microsoft Exchange Server: Mehrere Schwachstellen

view advisory published 2025-12-09

Ein entfernter, authentisierter oder anonymer Angreifer kann mehrere Schwachstellen in Microsoft Exchange Server 2016, Microsoft Exchange Server 2019 und Microsoft Exchange ausnutzen, um Administratorrechte zu erlangen und Spoofing-Angriffe durchzuführen.

01

describes (2)

Related CVEs.

IDseverity exploitable
CVE-2025-64667US——
User interface (ui) misrepresentation of critical information in Microsoft Exchange Server allows an unauthorized attacker to perform spoofing over a network.
CVE-2025-64666UShigh7.5—
Improper input validation in Microsoft Exchange Server allows an authorized attacker to elevate privileges over a network.
02

references

External citations — patches, advisories, analysis.

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