Medium severity · published Jun 5, 2026
CVE-2026-50590
In Mimecast Incydr before 2.6.0, arbitrary file access can occur
4.5
CVSS
0.1%
EPSS
No
On KEV
Description
In Mimecast Incydr before 2.6.0, arbitrary file access can occur.
CVSS vector
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:N
Attack vector
Local
Complexity
High
Privileges
None
User interaction
None
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.1% · higher than 0% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
IN
Incydr · Mimecast
1.2.0 before 2.6.0 · source: vendor