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CVE-2026-5868 Google CVE debrief

CVE-2026-5868 is a heap buffer overflow vulnerability in ANGLE within Google Chrome on Mac systems. This issue, which was reported as having a high severity by Chromium, could allow a remote attacker to execute arbitrary code within a sandbox environment by providing a specially crafted HTML page. Users should update Google Chrome to version 147.0.7727.55 or later to mitigate this vulnerability.

Vendor
Google
Product
Chrome
CVSS
HIGH 8.8
CISA KEV
Not listed in stored evidence
Original CVE published
2026-04-08
Original CVE updated
2026-07-24
Advisory published
2026-04-08
Advisory updated
2026-07-24

Who should care

This CVE affects users of Google Chrome on Mac systems who have not updated to version 147.0.7727.55 or later. As the vulnerability allows for arbitrary code execution within a sandbox, which is still a concerning issue, users should prioritize updating their browser to protect against potential attacks.

Technical summary

The CVE-2026-5868 vulnerability is a heap buffer overflow issue located in ANGLE (Almost Native Graphics Layer Engine), which is utilized in Google Chrome for rendering graphics. This vulnerability can be exploited when a user opens a specially crafted HTML page, potentially leading to arbitrary code execution within the sandbox environment of the browser. The issue was addressed with the release of Google Chrome version 147.0.7727.55.

Defensive priority

High

Recommended defensive actions

  • Update Google Chrome to version 147.0.7727.55 or later
  • Ensure all users of Google Chrome on Mac systems are aware of the need for this update
  • Consider implementing a monitoring system to track and enforce browser updates across your organization
  • Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up
  • Review the supplied official advisory or CVE record to validate affected scope, severity, and vendor guidance
  • Plan vendor-supported updates or mitigations through normal change control where exposure is confirmed
  • Check relevant monitoring, detection, and logs for exposed assets that need extra review

Evidence notes

The CVE record was published on 2026-04-08T22:16:26.360Z and was last modified on 2026-07-24T08:10:00.150Z. The NVD entry is currently Analyzed. The vulnerability details were obtained from the official CVE record and NVD database, which are trusted sources for vulnerability information.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-5868 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-5868

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

  • CVE-2026-5868 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-5868

    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.