high8.1
CVE-2026-45503
Improper authorization in Microsoft Exchange Server allows an authorized attacker to disclose information over a network.
Impact
Improper authorization in Microsoft Exchange Server allows an authorized attacker to disclose information over a network.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Microsoft | Exchange Server | Versions 2016, 2019 |
| Microsoft | Exchange Server Subscription Edition | before 15.02.2562.043 |