SB2019052203 - Elevation of privilege in Task Scheduler in Microsoft Windows
Published: May 22, 2019
Security Bulletin ID
SB2019052203
CSH Severity
Low
Patch available
NO
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Permissions, Privileges, and Access Controls (CVE-ID: N/A)
CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/U:Clear
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to the "_SchRpcRegisterTask" RPC endpoint within the Windows Task Scheduler that does not check for permissions when registering new tasks. A local unprivileged user can execute arbitrary code on the target system with elevated privileges.
Remediation
Cybersecurity Help is not aware of any official remediation provided by the vendor.