dbcve.org
Windows 10 1507Operating system · Microsoft

CVE-2023-32042

HIGH · 7.5 CVSS v3.1 Published 2023-07-11
Fix available
A fix is available. Upgrade to 10.0.10240.20048 / 10.0.14393.6085 or later.
See remediation →
84/100
Remediation priority · High
Remotely reachable 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
OLE Automation Information Disclosure 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-908

Memory or a resource is used before it has been initialised, so its contents are whatever happened to be there — sometimes leaking earlier data, sometimes values an attacker can influence. Behaviour becomes unpredictable and occasionally exploitable. Remediation is initialising every resource before use and ensuring initialisation happens on all code paths.

General guidance for the use of uninitialized resource 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 1507Operating system
Affected:< 10.0.10240.20048
Windows 10 1607Operating system
Affected:< 10.0.14393.6085
Windows 10 1809Operating system
Affected:< 10.0.17763.4645
Windows 10 21h2Operating system
Affected:< 10.0.19041.3208
Windows 10 22h2Operating system
Affected:< 10.0.19045.3208
Windows 11 21h2Operating system
Affected:< 10.0.22000.2176
Windows 11 22h2Operating system
Affected:< 10.0.22621.1992
Windows Server 2008Operating system
Affected:all versions= r2

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
Network
Complexity
Low
Privileges
None
User interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None

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

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 10.0.10240.20048 / 10.0.14393.6085 / 10.0.17763.4645 or later
Fixed in 10.0.10240.2004810.0.14393.608510.0.17763.4645
Vendor patch msrc.microsoft.com →
Recommended fix High confidence

Install the corresponding monthly security update from Microsoft Update that includes the fix for CVE-2023-32042; for Windows Server 2008/R2 there is no available patch as these versions are end-of-life

  1. Identify the current Windows version by running 'winver' in the Run dialog or checking System Properties
  2. For Windows 10: Open Settings > Update & Security > Windows Update and install all available security updates, or manually download the specific update for this CVE from the Microsoft Update Catalog
  3. For Windows 11: Open Settings > Windows Update and install all available security updates
  4. Alternatively, use Windows Server Update Services (WSUS) or group policy to deploy the relevant monthly security update containing the fix for CVE-2023-32042
  5. Verify the installed build number matches or exceeds the fixed version for your Windows release: 10.0.10240.20048 (1507), 10.0.14393.6085 (1607), 10.0.17763.4645 (1809), 10.0.19041.3208 (21h2), 10.0.19045.3208 (22h2), 10.0.22000.2176 (Win11 21h2), or 10.0.22621.1992 (Win11 22h2)
Caveat Standard risk: always test patches in a staging environment before broad deployment; Windows Server 2008/R2 is end-of-life with no security update available

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 $1,950. Get the upgrade done

Scan for this in your stack

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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-2023-32042 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