Microsoft Microsoft Exchange Server 2016 Cumulative Update 18
productEUA product tracked in the threat graph; the vulnerabilities below are known to affect it.
0
unpatched
0
critical
by severity
0critical3high14medium1low
updated 2026-10-27
01
vulnerabilities (18)
Related CVEs.
| ID | severity | exploitable |
|---|---|---|
| CVE-2021-26855US | high7.5OT critical | KEV |
| CVE-2021-27065US | medium6.8OT critical | KEV |
| CVE-2021-26857US | medium6.8OT critical | KEV |
| CVE-2021-26858US | medium6.8OT critical | KEV |
| CVE-2020-17132US | medium6.5 | Exploit |
| CVE-2021-24085US | medium6.0 | Exploit |
| CVE-2020-17143US | medium6.5 | — |
| CVE-2020-17117US | high9.0 | — |
| CVE-2021-26412US | medium6.5 | — |
| CVE-2021-26854US | medium6.5 | — |
| CVE-2021-27078US | medium6.5 | — |
| CVE-2020-17083US | low3.5 | — |
| CVE-2020-17141US | medium6.0 | — |
| CVE-2020-17084US | high9.0 | — |
| CVE-2020-17085US | medium4.0 | — |
| CVE-2020-17142US | medium6.5 | — |
| CVE-2020-16969US | medium4.3 | — |
| CVE-2021-1730US | medium5.8 | — |
02
weaknesses (8)
The flaw types (CWEs) most of these CVEs share.
- CWE-20Improper Input Validation6 CVEs
- CWE-94Improper Control of Generation of Code ('Code Injection')3 CVEs
- CWE-200Exposure of Sensitive Information to an Unauthorized Actor2 CVEs
- CWE-119Improper Restriction of Operations within the Bounds of a Memory Buffer1 CVEs
- CWE-120Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')1 CVEs
- CWE-17CWE-171 CVEs
- CWE-22Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')1 CVEs
- CWE-254CWE-2541 CVEs
03
sources (1)
Which sources assert this record, and when.
- EUEU Vulnerability Database (ENISA)18 CVEs
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