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Servers and applications

CVE-2019-1233

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'.

Severity
High 7.5
Published
11 Sept 2019
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Exploit chance
6.2% in the next 30 daysHigher than 93% of CVEs. EPSS by FIRST, 10 Nov 2026
Sources
NVD

Affected software

SoftwareAffected versions
Microsoft Exchange ServerServers and applications · cpe:a:microsoft:exchange_server
  • Version 2016-cumulative_update_12
  • Version 2016-cumulative_update_13
  • Version 2019-cumulative_update_1
  • Version 2019-cumulative_update_2

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2019-1233
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2019-1233