CVE-2019-1373 in the critical feed json
A remote code execution vulnerability exists in Microsoft Exchange through the deserialization of metadata via PowerShell, aka 'Microsoft E…
published 2019-11-12 6 y ago modified 2026-06-17 4 mo ago also EUVD-2019-9930
- cvss
- 9.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 21.7%
- EPSS 21.7% chance of exploitation in 30 days, percentile 97%
- public exploits
- 0
- none known
Summary
A remote code execution vulnerability exists in Microsoft Exchange through the deserialization of metadata via PowerShell, aka 'Microsoft Exchange Remote Code Execution Vulnerability'.
Patch / fix
Exploit prediction
21.68% chance of exploitation in the next 30 days, higher than 97% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 7.5 | AV:N/AC:L/Au:N/C:P/I:P/A:P |
Affected products
- Microsoft Microsoft Exchange Server 2019
- Microsoft Microsoft Exchange Server 2016
- Microsoft Microsoft Exchange Server 2013
- Microsoft Microsoft Exchange Server 2019 Cumulative Update 3
- Microsoft Microsoft Exchange Server 2016 Cumulative Update 14
Classification
- Weakness
-
- CWE-502 Deserialization of Untrusted Data
- Technology feeds
References
-
portal.msrc.microsoft.com
/en-US/security-guidance/advisory/CVE-2019-1373
patch, vendor-advisory
Sources
- CVE List CVE-2019-1373
- NVD CVE-2019-1373
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.