ChromeWeb browser · Google
CVE-2026-9968
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 · uneditedInteger overflow in V8 in Google Chrome prior to 148.0.7778.216 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. (Chromium security severity: High)
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 confidenceInteger overflow vulnerability in Chrome's V8 JavaScript engine allows remote code execution via a crafted HTML page. The overflow occurs during arithmetic operations without proper bounds checking, potentially corrupting memory and enabling arbitrary code execution within the browser's sandbox.
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
ChromeWeb browser
< 148.0.7778.216< 148.0.7778.215CVSS 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
- Required
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/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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Find installed Chrome versionNavigate to chrome://settings/help in Chrome, or run 'google-chrome --version' from command lineAffected if Version number is less than 148.0.7778.216 or 148.0.7778.215
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Verify V8 JavaScript engine is in useThe V8 engine is the default JavaScript engine in Chrome and cannot be disabled through user settings; this check is implicit for any Chrome installationAffected if Using any standard Chrome installation (V8 cannot be turned off)
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Confirm Chrome is used as the browserCheck if the browser name in use is Google Chrome rather than Chromium-based alternatives that may have different version numbersAffected if Running Google Chrome with version below 148.0.7778.216
User is affected if running Google Chrome version 148.0.7778.215 or earlier, since the vulnerable V8 integer overflow is always active in standard Chrome usage.
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 · scoped148.0.7778.215148.0.7778.216
Update Google Chrome to version 148.0.7778.216 or later to patch the vulnerability.
Chrome 148.0.7778.216 or later
- Open Google Chrome browser
- Click the three-dot menu icon in the top-right corner
- Select 'Help' and then 'About Google Chrome'
- Chrome will automatically check for and install the latest version
- Wait for the update to complete and restart the browser if prompted
- Verify the version by returning to 'About Google Chrome' and confirming the version number is 148.0.7778.216 or later
Generated from the published advisory — verify against the referenced sources before acting.
Fix this in Chrome
Scoped from the published advisory
- Consultation1.0 h
- Implementation2.0 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 $1,664.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2026-9968 — 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-2026-9968 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