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PatchSiren cyber security CVE debrief

CVE-2016-0151 Microsoft CVE debrief

CVE-2016-0151 is a Microsoft Windows Client-Server Run-time Subsystem (CSRSS) security feature bypass vulnerability. CISA has included it in the Known Exploited Vulnerabilities catalog, which means it is treated as an actively exploited issue and is subject to federal remediation timelines. The supplied KEV record also marks it as having known ransomware campaign use. For defenders, the practical takeaway is straightforward: prioritize vendor updates for affected Microsoft Windows systems and verify that remediation is completed across the fleet. Because the source corpus does not provide deeper technical detail, this debrief stays focused on the official classification, exploitation status, and response priority rather than adding unsupported specifics.

Vendor
Microsoft
Product
Client-Server Run-time Subsystem (CSRSS)
CVSS
Unknown
CISA KEV
Listed
Original CVE published
2022-03-28
Original CVE updated
2022-03-28
Advisory published
2022-03-28
Advisory updated
2022-03-28

Who should care

Windows administrators, endpoint security teams, vulnerability management programs, incident responders, and any organization running Microsoft Windows systems that rely on timely patching and exposure reduction.

Technical summary

The supplied official records identify CVE-2016-0151 as a Microsoft Windows CSRSS security feature bypass vulnerability. CISA’s KEV entry classifies it as known exploited and notes known ransomware campaign use. Beyond that classification and the required action to apply vendor updates, the provided corpus does not include additional technical mechanics, affected versions, or exploit details.

Defensive priority

High. CISA KEV inclusion indicates active exploitation risk and a need for prompt remediation under the vendor’s guidance.

Recommended defensive actions

  • Apply Microsoft updates per vendor instructions as soon as possible.
  • Confirm all Windows endpoints and servers are included in patch validation and compliance reporting.
  • Prioritize internet-facing, high-value, and hard-to-reimage systems for verification first.
  • Check for and close gaps in asset inventory so no affected Windows hosts are missed.
  • Use the CISA KEV catalog as a remediation trigger in vulnerability management workflows.

Evidence notes

Evidence is limited to the supplied official source corpus: the CISA KEV JSON feed entry, which names CVE-2016-0151, marks it as known exploited, notes known ransomware campaign use, and instructs organizations to apply vendor updates; and the linked official record pages from CVE.org and NVD. Published/modified dates in the response are taken from the provided timeline fields (2022-03-28) and are not treated as the vulnerability’s original issue date.

Official resources

The dates and exploitation flags in this debrief are taken from the supplied source corpus and timeline fields. The CVE identifier is 2016-0151, while the provided KEV/source-item dates are 2022-03-28; generation time is not used as the CVE