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CVE-2026-7342 Google CVE debrief

CVE-2026-7342 is a use-after-free vulnerability in WebView in Google Chrome on Android prior to 147.0.7727.138. This vulnerability allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. The vulnerability is particularly concerning because it can be exploited by a remote attacker through a crafted HTML page, potentially allowing the attacker to execute code within the sandbox environment of the browser. The Chromium security team has assessed this vulnerability as High severity. Security teams should assess the potential impact of this vulnerability on their organizations, considering the high severity and potential for remote code execution. It is essential to prioritize patching for CVE-2026-7342 to prevent potential exploitation. The CVE record and NVD entry provide further details about the vulnerability, and the vendor's advisory offers guidance on mitigation and remediation.

Vendor
Google
Product
Chrome
CVSS
HIGH 8.8
CISA KEV
Not listed in stored evidence
Original CVE published
2026-04-28
Original CVE updated
2026-07-24
Advisory published
2026-04-28
Advisory updated
2026-07-24

Who should care

Security teams responsible for managing Google Chrome on Android deployments should assess and prioritize patching for CVE-2026-7342, given its high severity and potential for remote code execution.

Technical summary

The CVE-2026-7342 vulnerability is a use-after-free issue in WebView of Google Chrome on Android versions before 147.0.7727.138. This type of vulnerability occurs when the application attempts to use memory after it has been freed, which can lead to unpredictable behavior, crashes, or, in this case, the execution of arbitrary code. The vulnerability is particularly concerning because it can be exploited by a remote attacker through a crafted HTML page, potentially allowing the attacker to execute code within the sandbox environment of the browser. The Chromium security team has assessed this vulnerability as High severity.

Defensive priority

High

Recommended defensive actions

  • Apply the official patch: Update Google Chrome on Android to version 147.0.7727.138 or later.
  • Inventory and prioritize: Identify all instances of Google Chrome on Android within your organization and prioritize patching based on risk and exposure.
  • Monitor for indicators of compromise: Review system logs for unusual activity that may indicate exploitation attempts.
  • Enforce compensating controls: Consider implementing additional security measures, such as network filtering to block suspicious traffic, until patching can be applied.
  • Exception tracking: Monitor systems for any exceptions or errors that may relate to this vulnerability or its patch.

Evidence notes

The CVE-2026-7342 vulnerability details are based on the information provided by official sources, including the CVE record and the NVD entry. The vulnerability is confirmed to exist in Google Chrome on Android prior to version 147.0.7727.138. The exact scope of affected systems and any potential workarounds or mitigations are detailed in the vendor's advisory and other official resources.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-7342 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-7342

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-7342 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-7342

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.