CVE-2016-0151: Microsoft Windows CSRSS Security Feature Bypass Vulnerability

Vulnerability summary

CVE-2016-0151 is a high (CVSS 7.8) Improper Privilege Management vulnerability in Microsoft Client-Server Run-time Subsystem (CSRSS). It is known to be exploited: CISA lists it, first on 28-03-2022. It has been used in ransomware campaigns. EPSS estimates a 62.94% chance of exploitation in the next 30 days, higher than 99.1% of scored vulnerabilities. 1 public exploit is recorded.

Timeline

1. 12-04-2016
   PublishedVulnerability first disclosed.
2. 28-03-2022
   Added to CISA KEVMicrosoft Windows CSRSS Security Feature Bypass Vulnerability
3. 18-04-2022
   CISA remediation dueApply updates per vendor instructions.
4. 21-10-2025
   Last modifiedVulnerability information updated.

Description

The Client-Server Run-time Subsystem (CSRSS) in Microsoft Windows 8.1, Windows Server 2012 Gold and R2, Windows RT 8.1, and Windows 10 Gold and 1511 mismanages process tokens, which allows local users to gain privileges via a crafted application, aka "Windows CSRSS Security Feature Bypass Vulnerability."

• CWE-269Improper Privilege ManagementThe product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor.