Skip to content
Weekly Signal
Live intelligence Updated 20 Aug 2026 · 01:51 UTC

Microsoft · Client-Server Run-time Subsystem (CSRSS), Windows 10 1507, Windows 10 1511 +3 more

CVE-2016-0151

Microsoft Windows CSRSS Security Feature Bypass Vulnerability

Recommended action

Validate affected assets and exposure now, then remediate on an accelerated schedule. Microsoft Security patch Ms16 048

View response plan
CVSS7.8
EPSS63.2%
KEVYes
ExploitationConfirmed exploitation
RemediationExplicit patch identified ↓

Assessment

Why it matters

CISA lists this vulnerability as known to be exploited; exploitation is confirmed; EPSS is 63.2%; technical severity is CVSS 7.8.

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."

Who should care

  • Teams operating Client-Server Run-time Subsystem (CSRSS), Windows 10 1507, Windows 10 1511 +3 more
  • Vulnerability and exposure management teams
  • Security operations teams monitoring exploitation activity

Response plan

What I would do

  1. Confirm whether Client-Server Run-time Subsystem (CSRSS), Windows 10 1507, Windows 10 1511 +3 more is present in the environment.
  2. Identify affected versions and establish whether vulnerable services are exposed or reachable.
  3. Microsoft Security patch Ms16 048
  4. Review relevant security telemetry for evidence of attempted or successful exploitation.
  5. Document the remediation decision and track it to verified completion.

Treatment intelligence

Remediation intelligence

Not yet verified

Vendor sources are listed before government and third-party guidance. Confirm product applicability and change prerequisites before deployment.

Verification noteAutomated link verification has not completed for this guidance yet.

Patch

Required Action

Technical details

CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CWE
CWE-264
Affected versions
Microsoft Client-Server Run-time Subsystem (CSRSS); Microsoft Windows 10 1507 (Version -); Microsoft Windows 10 1511 (Version -); Microsoft Windows 8.1 (Version -); Microsoft Windows Rt 8.1 (Version -); Microsoft Windows Server 2012 (Version - | Version r2)
Fixed versions
No explicit fixed version is currently recorded.
Published
12 April 2016
Attack vector
Local
Privileges required
None
User interaction
Required

Signal timeline

  1. CVE published
  2. Added to CISA KEV
  3. Latest EPSS score: 63.2%
  4. Signal calculated at 82

External references

Live public intelligence This assessment combines public-source evidence. Validate the affected product, version and exposure against your own environment before making a risk decision.