high7.5
CVE-2025-64666
Improper input validation in Microsoft Exchange Server allows an authorized attacker to elevate privileges over a network.
Impact
Improper input validation in Microsoft Exchange Server allows an authorized attacker to elevate privileges over a network.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Microsoft | Exchange Server | Versions 2016, 2019 |
| Microsoft | Exchange Server Subscription Edition | before 15.02.2562.035 |