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CVE-2019-1233
A denial of service vulnerability exists in Microsoft Exchange Server software when the software fails to properly handle objects in…
High7.5EPSS 6.2%
- Published
- Updated
- Reserved
- Assigned by
- microsoft
Description
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'.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.1 | High7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
- EPSS (exploitation in 30 days)
- 6.2% · top 6.5% of all CVEs (6 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.5.
Weakness
- Denial of Service
Affected products
Microsoft · Microsoft Exchange Server 2016
- affected Cumulative Update 12
- affected Cumulative Update 13
Microsoft · Microsoft Exchange Server 2019
- affected Cumulative Update 1
- affected Cumulative Update 2
References (1)
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1233 (opens in a new tab)x_refsource_MISCx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2019-1233)Record last updated .