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PatchSiren cyber security CVE debrief

CVE-2026-10884 Google CVE debrief

CVE-2026-10884 is a high-severity vulnerability in Google Chrome prior to version 149.0.7827.53. This use-after-free issue in Chromecast could allow a remote attacker who has compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page. The vulnerability has a CVSS score of 8.3 and is classified as HIGH.

Vendor
Google
Product
Chrome
CVSS
HIGH 8.3
CISA KEV
Not listed in stored evidence
Original CVE published
2026-06-04
Original CVE updated
2026-07-22
Advisory published
2026-06-04
Advisory updated
2026-07-22

Who should care

Users of Google Chrome prior to version 149.0.7827.53 should update to the latest version to mitigate this vulnerability. Additionally, administrators and security teams responsible for managing Chrome deployments should prioritize patching to prevent potential sandbox escapes.

Technical summary

The vulnerability is a use-after-free issue in Chromecast, which could allow a remote attacker to potentially perform a sandbox escape via a crafted HTML page. The CVSS vector for this vulnerability is CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H.

Defensive priority

High

Recommended defensive actions

  • Update Google Chrome to version 149.0.7827.53 or later.
  • Review and apply the vendor advisory: [ref-4](https://chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop.html)

Evidence notes

The CVE record [cve-org] and NVD detail [nvd] provide official information about this vulnerability.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-10884 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-10884

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

  • CVE-2026-10884 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-10884

    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.