8.8
High
CVE-2026-96940 Weak authentication in Microsoft Exchange Server allows an authorized attacker to elevate privileges over a network
Description
Weak authentication in Microsoft Exchange Server allows an authorized attacker to elevate privileges over a network.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Microsoft Exchange Server 2016 Cumulative Update 23 15.01 | 15.01.0.0 → < 15.01.2507.075 | 15.01.2507.075 |
| Microsoft Exchange Server 2019 Cumulative Update 14 15.02 | 15.02.0.0 → < 15.02.1544.048 | 15.02.1544.048 |
| Microsoft Exchange Server 2019 Cumulative Update 15 15.02 | 15.02.0.0 → < 15.02.1748.053 | 15.02.1748.053 |
| Microsoft Exchange Server Subscription Edition RTM 15.02 | 15.02.0.0 → < 15.02.2562.053 | 15.02.2562.053 |
References
- Microsoft Exchange Server Elevation of Privilege Vulnerability msrc.microsoft.com
Timeline
- Published
- Last modified
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