CVE-2019-1233 json
A denial of service vulnerability exists in Microsoft Exchange Server software when the software fails to properly handle objects in memory…
published 2019-09-11 7 y ago modified 2026-06-17 4 mo ago also EUVD-2019-9800
- cvss
- 7.5
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 6.2%
- EPSS 6.2% chance of exploitation in 30 days, percentile 93%
- public exploits
- 0
- none known
Summary
A denial of service vulnerability exists in Microsoft Exchange Server software when the software fails to properly handle objects in memory, aka 'Microsoft Exchange Denial of Service Vulnerability'.
Patch / fix
Exploit prediction
6.18% chance of exploitation in the next 30 days, higher than 93% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| NVD | 2.0 | 7.8 | AV:N/AC:L/Au:N/C:N/I:N/A:C |
Affected products
- Microsoft Microsoft Exchange Server 2016
- Microsoft Microsoft Exchange Server 2019
Classification
- Technology feeds
References
-
portal.msrc.microsoft.com
/en-US/security-guidance/advisory/CVE-2019-1233
patch, vendor-advisory
Sources
- CVE List CVE-2019-1233
- NVD CVE-2019-1233
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