CVE-2026-16806: Use after free in Google Chrome
Use after free in WebMCP in Google Chrome prior to 150.0.7871.186 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. (Chromium security severity: High)
AI Analysis
Technical Summary
CVE-2026-16806 is a use-after-free vulnerability in the WebMCP component of Google Chrome. It affects versions prior to 150.0.7871.186 and enables remote code execution inside the sandbox via a crafted HTML page. The vulnerability has a high severity rating (CVSS 8.8) and was publicly disclosed with a vendor advisory from Google. No known exploits in the wild have been reported at the time of publication.
Potential Impact
Successful exploitation allows a remote attacker to execute arbitrary code within the sandboxed environment of Google Chrome, potentially compromising confidentiality, integrity, and availability of the affected system. The attack requires user interaction (visiting a malicious HTML page) but does not require privileges or complex attack conditions.
Mitigation Recommendations
A fixed version of Google Chrome, 150.0.7871.186, has been released. Users and administrators should update to this version or later to remediate the vulnerability. The vendor advisory linked provides official update details. No additional mitigations are specified by the vendor.
CVE-2026-16806: Use after free in Google Chrome
Description
Use after free in WebMCP in Google Chrome prior to 150.0.7871.186 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. (Chromium security severity: High)
CVSS v3.1
Score 8.8high
Affected software
pkg:github/chromium/chromiumRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-16806 is a use-after-free vulnerability in the WebMCP component of Google Chrome. It affects versions prior to 150.0.7871.186 and enables remote code execution inside the sandbox via a crafted HTML page. The vulnerability has a high severity rating (CVSS 8.8) and was publicly disclosed with a vendor advisory from Google. No known exploits in the wild have been reported at the time of publication.
Potential Impact
Successful exploitation allows a remote attacker to execute arbitrary code within the sandboxed environment of Google Chrome, potentially compromising confidentiality, integrity, and availability of the affected system. The attack requires user interaction (visiting a malicious HTML page) but does not require privileges or complex attack conditions.
Mitigation Recommendations
A fixed version of Google Chrome, 150.0.7871.186, has been released. Users and administrators should update to this version or later to remediate the vulnerability. The vendor advisory linked provides official update details. No additional mitigations are specified by the vendor.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Chrome
- Date Reserved
- 2026-07-23T20:51:37.592Z
- Cvss Version
- null
- State
- PUBLISHED
- Remediation Level
- null
- Vendor Advisory Urls
- [{"url":"https://chromereleases.googleblog.com/2026/07/stable-channel-update-for-desktop_01320465736.html","vendor":"Google"}]
Threat ID: 6a6290aa9c2644c7f8cac231
Added to database: 07/23/2026, 22:07:38 UTC
Last enriched: 07/30/2026, 22:43:13 UTC
Last updated: 09/07/2026, 10:52:07 UTC
Views: 128
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