Assessment
Why it matters
EPSS is 0.2%; technical severity is CVSS 4.7.
In ScreenConnect™ versions prior to 26.2, input validation within the Host Pass creation functionality could allow an authenticated user with Host Pass creation privileges the ability to specify a token expiration duration beyond the intended maximum when generating delegated access tokens.
Who should care
- Teams operating ScreenConnect
- Vulnerability and exposure management teams
- Security operations teams monitoring exploitation activity
Response plan
What I would do
- Confirm whether ScreenConnect is present in the environment.
- Identify affected versions and establish whether vulnerable services are exposed or reachable.
- GitHub Security patch CVE-2026-11596
- Review relevant security telemetry for evidence of attempted or successful exploitation.
- Document the remediation decision and track it to verified completion.
Treatment intelligence
Remediation intelligence
Vendor sources are listed before government and third-party guidance. Confirm product applicability and change prerequisites before deployment.
Verification noteAutomated link verification has not completed for this guidance yet.
Technical details
- CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L
- CWE
- CWE-1284
- Affected versions
- ConnectWise ScreenConnect (End Excluding 26.2.2.9585)
- Fixed versions
- ConnectWise ScreenConnect (Fixed from 26.2.2.9585)
- Published
- 10 June 2026
- Attack vector
- Network
- Privileges required
- High
- User interaction
- None
Signal timeline
- CVE published
- Latest EPSS score: 0.2%
- Signal calculated at 9