CVE-2023-28601
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 · uneditedZoom for Windows clients prior to 5.14.0 contain an improper restriction of operations within the bounds of a memory buffer vulnerability. A malicious user may alter protected Zoom Client memory buffer potentially causing integrity issues within the Zoom Client.
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 confidenceBuffer boundary error in Zoom for Windows client allows a malicious user to alter protected memory buffers outside intended bounds, potentially causing integrity issues within the Zoom Client. This is a memory safety vulnerability where operations are not properly restricted within buffer limits.
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 data< 5.14.0CVSS 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
- Low
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- None
- Integrity
- High
- Availability
- None
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
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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Verify Zoom for Windows is installedOpen Windows Settings > Apps & features, or use Control Panel > Programs and Features, and look for 'Zoom' in the installed applications listAffected if Zoom for Windows client is present on the system
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Locate Zoom version numberRight-click on the Zoom desktop shortcut and select 'Properties', then click the 'Details' tab; alternatively, open Zoom client, click your profile picture, then click 'Check for Updates' to see current versionAffected if Cannot determine version number from Zoom client or its metadata
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Compare installed version against vulnerable rangeIf version is found, compare it to 5.14.0 - note that versions are typically displayed as five-digit numbers like 5.13.5 or 5.14.10Affected if Installed version is less than 5.14.0 (for example, 5.13.5, 5.12.10, etc.)
User is affected if Zoom for Windows client is installed with a version number lower than 5.14.0
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 · scoped5.14.0
Update Zoom for Windows clients to version 5.14.0 or later to remediate this vulnerability.
5.14.0
- Open the Zoom desktop client on your Windows machine
- Click on your profile picture or initials in the top-right corner
- Select 'Check for Updates' from the dropdown menu
- If an update is available, click 'Update' to download and install version 5.14.0 or later
- Alternatively, visit explore.zoom.us and download the latest Zoom client installer
- Run the installer and follow the prompts to complete the update
- Restart the Zoom client after installation completes
- Verify the version by clicking your profile picture and selecting 'About Zoom' to confirm version 5.14.0 or higher is installed
Generated from the published advisory — verify against the referenced sources before acting.
- Consultation1.0 h
- Implementation2.0 h
- Testing1.0 h
- Review / QA1.0 h
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Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2023-28601 — 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-2023-28601 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