SB2019070904 - Privilege escalation in Microsoft splwow64
Published: July 9, 2019
Security Bulletin ID
SB2019070904
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2019-0880)
CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:A/U:Green
The vulnerability allows a local to escalate privileges on the system.
The vulnerability exists due to the way splwow64.exe handles certain calls. A local user can abuse this functionality to elevate privileges on an affected system from low-integrity to medium-integrity.
Note, this vulnerability is being actively exploited in the wild.
Remediation
Install update from vendor's website.