CVE-2022-34725
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 · uneditedWindows ALPC 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 · high confidenceThis is an Elevation of Privilege vulnerability in Windows Advanced Local Procedure Call (ALPC), a Windows inter-process communication mechanism. The flaw allows a locally authenticated attacker to elevate their privileges to execute code at a higher permission level.
Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.
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 dataall versions= 20h2= 21h1= 21h2= 1607= 1809all versionsall versionsall versionsall versionsall versions= r2all versions= r2all versionsCVSS 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
- High
- Privileges
- Low
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Am I affected? How to checkSteps we derive from the advisory and the affected-version data, so you can decide whether this CVE reaches your setup. They are a guide, not a scan — your own configuration is the authority.
dbcve checksWork through these to decide whether this CVE applies to you.
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Check Windows versionRun 'systeminfo' or 'winver' and note the full version and build numberAffected if The version is Windows 10 (any build), Windows 11 (any build), Windows 8.1, Windows 7, Windows Rt 8.1, Windows Server 2008, Windows Server 2012, or Windows Server 2016 (any build)
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Check for security update KB5016616 or subsequent related ALPC updateOpen PowerShell and run: 'Get-HotFix | Where-Object {$_.Description -eq "Security Update"}' to list installed security updatesAffected if The security update KB5016616 (or a later cumulative update containing the fix) is NOT listed among installed hotfixes
The system is vulnerable if it runs an affected Windows version and is missing the security update for this CVE.
Generated from the published advisory. Verify against your own configuration.
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 · scopedApply the relevant Microsoft security update for this vulnerability. This is a patch-type remediation requiring deployment of the vendor fix.
Install the August 2022 Microsoft Security Updates (KB5016616 and related patches for your specific Windows version)
- Check the current Windows version by running 'winver' or 'systeminfo' in Command Prompt
- Navigate to Windows Update Settings > Check for updates
- Install all available security updates, particularly the August 2022 security updates which contain the fix for CVE-2022-34725
- Alternatively, manually download and install the specific security update for your Windows version from the Microsoft Update Catalog (search for CVE-2022-34725 or KB5016616 and related August 2022 security updates)
- Restart the system after installing updates
- Verify the update was installed by checking Windows Update history or running 'systeminfo' to confirm the installed security update
Generated from the published advisory — verify against the referenced sources before acting.
- Consultation2.0 h
- Implementation1.0 h
- Testing2.0 h
- Review / QA1.0 h
An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $1,696.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2022-34725 — 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 sourcesPractitioner notes
ContributedPeer-ranked notes from engineers who’ve handled CVE-2022-34725 in production — separate from our analysis above.
The advisory tells you what broke. It rarely tells you what actually worked. If you’ve dealt with this one, that detail is what the next engineer is searching for.
- The version that genuinely resolved it — not the one the vendor claimed
- A config change or rule that shut the vector down
- A gotcha in the upgrade path that cost you an afternoon
No notes yet
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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.
- 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