7.8
CVE-2026-55009
- EPSS 1.61%
- Veröffentlicht 14.07.2026 17:05:02
- Zuletzt bearbeitet 24.07.2026 19:19:42
- Erkennungen
Microsoft Exchange Server Elevation of Privilege Vulnerability
Deserialization of untrusted data in Microsoft Exchange Server allows an authorized attacker to elevate privileges locally.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Microsoft ≫ Exchange Server Version 2016 Update cumulative_update_23
Microsoft ≫ Exchange Server Version 2019 Update cumulative_update_14
Microsoft ≫ Exchange Server Version 2019 Update cumulative_update_15
Microsoft ≫ Exchange Server Subscription Edition Version < 15.02.2562.045
VulnDex Vulnerability Enrichment
| Typ | Quelle | Score | Percentile |
|---|---|---|---|
| EPSS | FIRST.org | 1.61% | 0.735 |
| Quelle | Base Score | Exploit Score | Impact Score | Vector String |
|---|---|---|---|---|
| Microsoft | 7.8 | 1.8 | 5.9 |
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
|
CWE-502 Deserialization of Untrusted Data
The product deserializes untrusted data without sufficiently ensuring that the resulting data will be valid.
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https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-55009