Exploited CVEs / Microsoft / CVE-2016-0151

CVE-2016-0151

Microsoft Windows CSRSS Security Feature Bypass Vulnerability. Exploitation in the wild is confirmed by CISA, not predicted, and the vulnerability is known to be used in ransomware campaigns. Federal agencies were required to remediate by 2022-04-18 (that deadline has passed); treat that date as the outer bound for your own environment. The fix is in the vendor advisory: Microsoft Security Update Guide (MSRC), linked below.

UnratedCISA KEVRansomware

Actively exploited Microsoft Client-Server Run-time Subsystem (CSRSS) vulnerability. Added to the CISA KEV catalog 2022-03-28.

Senserva AI read on CVE-2016-0151CISA required actionOfficial fix for CVE-2016-0151Admin questions#18 hottest CVE right now

Risk summary

CVSS base
-
EPSS exploit probability
Not scored
Severity
Unrated
Added to KEV
2022-03-28
CISA due date
2022-04-18 (past due)
Patch immediately
Exploited in the wild and used in ransomware campaigns.
The fix ships from the vendor: Microsoft Security Update Guide (MSRC).
Do this now: Move this ahead of everything else in the queue, then verify the fix actually landed on every exposed device.

Updated July 26, 2026. Data refreshed on every build from MSRC, CISA KEV, and FIRST EPSS.

Senserva AI Opinion for CVE-2016-0151

CVE-2016-0151 is a local privilege escalation in Windows CSRSS that mishandles process tokens, letting a low-privilege user run a crafted application to gain higher privileges. It is Severity High, confirmed exploited in CISA KEV since 2022-03-28, and observed in ransomware campaigns where attackers use it to escalate after an initial foothold. Any Windows endpoint or server where untrusted code or user sessions can run is exposed.

Do this: Deploy Microsoft's patch for CVE-2016-0151 to all Windows systems, prioritizing multi-user hosts and any machines still on unpatched builds.

AI-generated from public data, 2026-07-22. Verify against the vendor advisory before acting.

Senserva AI Opinion and rich prompt for CVE-2016-0151

Copy this prompt into Claude, ChatGPT, or Copilot. The facts are included, sourced from this page.

Full tracking and change history for CVE-2016-0151

Published
2022-03-28
Last revised
2022-03-28
Changes tracked
1

Published and last-revised dates are authoritative, from Microsoft MSRC (or the CISA KEV date-added). Senserva additionally records day-to-day changes from 2026-07-07, refreshed several times a day; the change count reflects that forward-only tracking.

CISA required action

Federal (BOD 22-01) remediation due date: 2022-04-18 (past due).

Official fix for CVE-2016-0151

The authoritative fix and affected-version list are published by the vendor. Find the Client-Server Run-time Subsystem (CSRSS) advisory on Microsoft Security Update Guide (MSRC).

Common questions about CVE-2016-0151

Is CVE-2016-0151 actively exploited?

Yes. CVE-2016-0151 was added to the CISA Known Exploited Vulnerabilities (KEV) catalog on 2022-03-28, which means exploitation in the wild has been confirmed, not predicted. CISA also reports it is known to be used in ransomware campaigns.

What is the CISA deadline and required action for CVE-2016-0151?

CISA set the federal (BOD 22-01) remediation due date at 2022-04-18, which has passed; treat any unremediated system as overdue.

What fixes CVE-2016-0151?

The authoritative fix is in the vendor advisory: see Microsoft Security Update Guide (MSRC) for the patched Client-Server Run-time Subsystem (CSRSS) versions and any workarounds. KEV listing makes this a fix-first item: patch it ahead of higher-CVSS issues nobody is exploiting.

Can I ask my own AI about CVE-2016-0151?

Yes. This page includes a free, ready-to-paste AI prompt containing CVE-2016-0151's key facts: severity, CVSS, EPSS, the KEV date, the CISA due date, and the required action. Copy it into Claude, ChatGPT, or Copilot; the data is refreshed twice a day (5 AM and 3 PM US Central).

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Lexicon: the terms on this page
CVE
Common Vulnerabilities and Exposures. A unique ID for one publicly known vulnerability, such as CVE-2025-1234.
KB
Microsoft Knowledge Base article. The identifier for a specific Microsoft update.
KEV
CISA Known Exploited Vulnerabilities. CVEs confirmed exploited in the wild. Fix these first.
CVSS
Common Vulnerability Scoring System. A standardized Severity score from 0 to 10.
EPSS
Exploit Prediction Scoring System. The probability a CVE will be exploited in the next 30 days.
MSRC
Microsoft Security Response Center. Microsoft's Patch Tuesday advisories and KB-to-CVE mapping.
NVD
National Vulnerability Database (NIST). Authoritative CVE metadata and CVSS scores.
Ransomware
The vulnerability is linked to known ransomware activity.
Reference: Microsoft CVE and vulnerability management, the full CVE-to-patch lookup ranked by real-world risk, and the Microsoft patching guide, how Intune, Windows Autopatch, Defender, and Azure Update Manager fit together.
Data notice: this page, the feeds, and the API are provided as is, for informational purposes only, without warranty of any kind. Senserva, LLC does not guarantee the accuracy, completeness, or timeliness of third-party data (MSRC, NVD, CISA KEV, EPSS) and accepts no liability for actions taken based on it; verify against the authoritative vendor advisory before acting. Built daily with Senserva Trustworthy AI. All use of this data is subject to the Senserva EULA.