CVE-2016-0151
Published: March 28, 2022
Official Description
The Client-Server Run-time Subsystem (CSRSS) in Microsoft mismanages process tokens, which allows local users to gain privileges via a crafted application.
CISA KEV Advisory
Microsoft Windows CSRSS Security Feature Bypass Vulnerability
The Client-Server Run-time Subsystem (CSRSS) in Microsoft mismanages process tokens, which allows local users to gain privileges via a crafted application.
Apply updates per vendor instructions.
Risk Analysis
The Client-Server Run-time Subsystem (CSRSS) in Microsoft mismanages process tokens, allowing local users to gain privileges via a crafted application. The high EPSS score of 0.44069 indicates a significant likelihood of exploitation, and its presence in the KEV catalog confirms it has been actively exploited.
This vulnerability has been actively exploited in the wild and is listed in CISA's Known Exploited Vulnerabilities catalog. Exploitation requires local access to the system.
Apply all available security updates for Microsoft Windows. Implement the principle of least privilege and ensure only trusted applications are allowed to run.
Technical Analysis
CVE-2016-0151 requires local access, meaning attackers must already have a foothold on the target system.
Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.
CISA has added CVE-2016-0151 to the Known Exploited Vulnerabilities (KEV) catalog, confirming active exploitation in the wild. U.S. federal agencies are required to patch this within the mandated timeframe, and all organizations should treat remediation as urgent.
Affected Vendors & Products
Exploit & PoC Resources
All References (1)
Quick Facts
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2016-0151 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts
- !CISA KEV: Federal agencies must patch per BOD 22-01 timeline
- !Active exploitation confirmed — treat as P1