CVE-2016-0151Actively exploitedAdded to KEV 2022-03-28Known ransomware campaign use

Microsoft Windows CSRSS Security Feature Bypass Vulnerability

Microsoft, Client-Server Run-time Subsystem (CSRSS)

Description

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

CVSS severity for this advisory hasn't been enriched from NVD yet, check back shortly.

EPSS, exploit probability

Critical

62.8%

estimated chance of real-world exploitation in the next 30 days, higher than 99.2% of every CVE FIRST.org scores

Refreshed 10/28/2026, via FIRST.org's EPSS model, not CVSS, this measures likelihood of exploitation, not how severe it would be.

Required action

Apply updates per vendor instructions.

CISA-recommended due date: 2022-04-18

CWE-264

Talk to us about this

Penetration Testing

Confirm whether this vulnerability class is actually exploitable in your environment.

Security Engineering

Get help implementing the required action and closing the gap.

Our guide to vulnerability management and patch prioritization

View on CISA's KEV catalog View on NVD

Not sure if this affects you?

We help organizations confirm real exposure and prioritize what actually needs fixing first.

Request a Security Assessment Browse Services