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Windows 10 1809Operating system · Microsoft

CVE-2024-21339

MEDIUM · 6.4 CVSS v3.1 Published 2024-02-13
Fix available
A fix is available. Upgrade to 10.0.17763.5458 / 10.0.19044.4046 or later.
See remediation →
69/100
Remediation priority · Elevated
No privileges 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 USB Generic Parent Driver Remote Code Execution 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
How this class of weakness works · CWE-416

Memory is used after it has been freed, so its contents — now potentially attacker-controlled — drive the program's behaviour. With careful heap grooming this becomes code execution. The fix requires disciplined ownership of memory and often a targeted rework of the object lifecycle.

General guidance for the use after free class — the official description and references above are authoritative for this specific CVE. Want a bespoke review and a reviewed fix? Ask our team →

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 10 1809Operating system
Affected:< 10.0.17763.5458
Windows 10 21h2Operating system
Affected:< 10.0.19044.4046
Windows 10 22h2Operating system
Affected:< 10.0.19045.4046
Windows 11 21h2Operating system
Affected:< 10.0.22000.2777
Windows 11 22h2Operating system
Affected:< 10.0.22621.3155
Windows 11 23h2Operating system
Affected:< 10.0.22631.3155
Windows Server 2019Operating system
Affected:< 10.0.17763.5458
Windows Server 2022Operating system
Affected:< 10.0.20348.2322

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
Physical
Complexity
High
Privileges
None
User interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:P/AC:H/PR:N/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
Upgrade available Upgrade to 10.0.17763.5458 / 10.0.19044.4046 / 10.0.19045.4046 or later
Fixed in 10.0.17763.545810.0.19044.404610.0.19045.4046
Vendor patch msrc.microsoft.com →
Recommended fix High confidence

Microsoft security update KB5002537 (or subsequent monthly rollup containing CVE-2024-21339 fixes) - target build numbers: 17763.5458 (Win10 1809/Server 2019), 19044.4046 (Win10 21h2), 19045.4046 (Win10 22h2), 22000.2777 (Win11 21h2), 22621.3155 (Win11 22h2), 22631.3155 (Win11 23h2), 20348.2322 (Ser

  1. 1. Identify the current Windows build version by running 'winver' or 'systeminfo | findstr /B /C:"OS Version"'
  2. 2. Determine which Windows version and build you are running from the affected list (Windows 10 1809, 10 21h2, 10 22h2, 11 21h2, 11 22h2, 11 23h2, Server 2019, or Server 2022)
  3. 3. Apply the Microsoft security update for CVE-2024-21339 via Windows Update: Open Settings > Update & Security > Windows Update and check for updates
  4. 4. Alternatively, manually download the specific security update from the Microsoft Update Catalog (https://www.catalog.update.microsoft.com/) by searching for CVE-2024-21339
  5. 5. Select the appropriate update for your Windows version and architecture
  6. 6. Download and install the update, restarting the system when prompted
  7. 7. Verify the update installed successfully by checking the installed updates via 'appwiz.cpl' > 'View installed updates' or by re-running 'winver' to confirm the build number matches or exceeds the fixed version for your release
Caveat Standard Windows patching carries minimal risk; ensure backups exist and plan for reboot

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

We can perform the upgrade in your staging environment and verify nothing breaks — typical engagement from $2,850. Get the upgrade done

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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-2024-21339 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