Windows Server 2016Operating system · Microsoft

CVE-2022-30131

HIGH · 7.8 CVSS v3.1 Published 2022-06-15
Patch available
A vendor patch is available. No clean upgrade release — apply the published patch.
See remediation →
80/100
Remediation priority · High
Zero-click Patch available

Official description Straight from the sourceThe vendor's or NVD's own wording, published unedited. Authoritative, but often terse — it says what broke, rarely what to do.

NVD · unedited
Windows Container Isolation FS Filter Driver Elevation of Privilege Vulnerability

Technical summary Written by usOur analysis, written from the advisory, the CVSS vector and the affected-version data. It adds context the advisory leaves out, and never invents facts that are not in the source.

dbcve analysis

A detailed technical summary for this CVE is being prepared.

Affected products & versions What the vendor confirmedThe version ranges the vendor confirmed as vulnerable. If your version sits inside a range here, treat yourself as exposed until you have upgraded.

NVD · CPE data
Windows Server 2016Operating system
Affected:all versions= 20h2
Windows Server 2019Operating system
Affected:all versions
Windows Server 2022Operating system
Affected:all versions

CVSS breakdown How the score is builtThe industry scoring standard. It rates how the flaw is reached, what it takes to exploit, and what an attacker gains — the score is derived from those, not the other way round.

From the vector
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Remediation Closing itWhat it takes to close this. Where a vendor fix exists we point at it; where none exists we say so plainly, and can build one. Effort estimates are scoped from the advisory, not from your codebase.

dbcve · scoped
Patch available Apply the vendor patch
Recommended fix Moderate confidence

Apply the relevant Windows Server security update from Microsoft (CVE-2022-30131) - check Microsoft Security Response Center for the specific KB article number for your Windows Server version

  1. Check the current Windows Server version by running 'winver' or 'systeminfo' in Command Prompt
  2. Open Windows Update by running 'ms-settings:windowsupdate' or navigate to Settings > Update & Security > Windows Update
  3. Click 'Check for updates' to download and install the latest security updates
  4. Alternatively, manually download the security update for CVE-2022-30131 from the Microsoft Security Response Center portal at https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2022-30131
  5. After installation, restart the server to complete the patch deployment
  6. Verify the patch was applied successfully by checking Windows Update history
Caveat Standard Windows security updates typically do not introduce breaking changes; however, test in a staging environment before deploying to production

Generated from the published advisory — verify against the referenced sources before acting.

We can apply and verify the patch for your build — typical engagement from $1,950. Get the patch applied

Scan for this in your stack

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Check whether your project pulls in CVE-2022-30131 — or any other known-vulnerable package — straight from your lock files. Free and open source; it runs locally and uploads nothing.

References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.

Primary sources

Practitioner notes

Contributed

Peer-ranked notes from engineers who’ve handled CVE-2022-30131 in production — separate from our analysis above.

No notes yet

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What this is

A place for practitioners to share what actually worked: a mitigation you’ve tested, a configuration change, a version- or environment-specific caveat, or a link to a verified patch. The most useful notes rise to the top as peers upvote them, so the signal stays high.

What belongs here
  • Verified mitigations, workarounds, and config changes
  • Version or environment caveats, and links to real fixes
  • No weaponised exploit code, or anything meant to cause harm
  • No spam, self-promotion, credentials, or personal data