ACTIVELY EXPLOITED

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

Facts
VendorMicrosoft
ProductClient-Server Run-time Subsystem (CSRSS)
Actively exploitedYes
Added to CISA KEV28 Mar 2022
CISA federal deadline18 Apr 2022
Ransomware useKnown
Weakness (CWE)CWE-264

Required action (CISA's text)

Apply updates per vendor instructions.

Description (NVD)

The Client-Server Run-time Subsystem (CSRSS) in Microsoft mismanages process tokens, which allows local users to gain privileges via a crafted application.

SOURCES

Other Microsoft flaws

Data from NVD, CISA KEV, FIRST EPSS and vendor advisories. Updated 10 Nov 2026.