CVE-2020-17144
Microsoft Exchange Remote Code Execution Vulnerability
Microsoft Exchange Server Remote Code Execution Vulnerability is confirmed as actively exploited and is listed in the CISA KEV catalog.
Required action
Apply updates per vendor instructions.
CISA notes
https://nvd.nist.gov/vuln/detail/CVE-2020-17144
Description
Microsoft Exchange Remote Code Execution Vulnerability
Severity
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:H/E:P/RL:O/RC:CExploitation Context
as of October 14, 2026- CISA added CVE-2020-17144 to the KEV catalog 329 days after its CVE record was published.
- It is one of 391 Microsoft entries in the CISA KEV catalog, and one of 83 added in 2021.
- Its current EPSS score (36.5%) is higher than that of 44% of CISA KEV entries.
Affected Products
| Vendor | Product | Affected versions |
|---|---|---|
| Microsoft | Microsoft Microsoft Exchange Server 2010 Service Pack 3 Update Rollup 31 | 0 to <publication |
References
2 LinksRecord Details
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