8.1
High
CVE-2026-55007 Double free in Microsoft Exchange Server allows an unauthorized attacker to execute code over a network
Description
Double free in Microsoft Exchange Server allows an unauthorized attacker to execute code over a network.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Microsoft Exchange Server 2019 Cumulative Update 14 15.02 | 15.02.0.0 → < 15.02.1544.046 | 15.02.1544.046 |
| Microsoft Exchange Server 2019 Cumulative Update 15 15.02 | 15.02.0.0 → < 15.02.1748.051 | 15.02.1748.051 |
| Microsoft Exchange Server Subscription Edition RTM 15.02 | 15.02.0.0 → < 15.02.2562.049 | 15.02.2562.049 |
References
- Microsoft Exchange Server Remote Code Execution Vulnerability msrc.microsoft.com
Timeline
- Published
- Last modified
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