ChromeWeb browser · Google
CVE-2026-9972
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 · uneditedUninitialized Use in Gamepad in Google Chrome on Mac prior to 148.0.7778.216 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape 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 confidenceThis is an uninitialized memory use vulnerability in Google Chrome's Gamepad API on macOS. A remote attacker who has already compromised the renderer process (e.g., through a separate renderer exploit) could exploit this uninitialized variable to potentially escape the Chrome sandbox and execute code with elevated privileges, delivered via a crafted HTML page.
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
< 148.0.7778.216CVSS 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
- High
- Privileges
- None
- User interaction
- Required
- Scope
- Changed
- Confidentiality
- High
- Integrity
- High
- Availability
- High
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/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 if Google Chrome is installed on MacOpen Chrome browser and look for the Google Chrome icon in Applications folder, or run 'ls /Applications | grep -i chrome' in TerminalAffected if Google Chrome is installed on a macOS system
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Determine the installed Google Chrome versionIn Chrome, click the three-dot menu > Help > About Google Chrome, or navigate to chrome://version, or run '/Applications/Google\ Chrome.app/Contents/MacOS/Google\ Chrome --version' in TerminalAffected if The displayed version number is less than 148.0.7778.216
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Confirm the affected platform is MacVerify the operating system by clicking the Apple menu > About This Mac, or run 'uname -s' in Terminal which should return Darwin for macOSAffected if Running Google Chrome on macOS with version prior to 148.0.7778.216
The environment is affected if Google Chrome on macOS is running a version earlier than 148.0.7778.216, since the uninitialized use vulnerability in the Gamepad API only applies to those versions on that platform.
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 · scoped148.0.7778.216
Update Google Chrome to version 148.0.7778.216 or later on macOS systems. In enterprise environments, test browser updates for application compatibility before broad deployment.
Chrome 148.0.7778.216
- Open Google Chrome on Mac
- Click the Chrome menu in the toolbar and select 'About Google Chrome'
- Chrome will automatically check for updates and display the current version
- If an update is available, click 'Update to latest version' or wait for the update to download automatically
- After the update completes, click 'Relaunch' to restart Chrome and apply the update
- Verify the version by returning to 'About Google Chrome' and confirming version 148.0.7778.216 or later is installed
Generated from the published advisory — verify against the referenced sources before acting.
Fix this in Chrome
Scoped from the published advisory
- Consultation1.0 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 $1,376.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2026-9972 — 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-2026-9972 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