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CVE-2026-5870 Google CVE debrief

CVE-2026-5870 is an integer overflow vulnerability in Skia, a graphics library used in Google Chrome. This vulnerability was addressed in Google Chrome version 147.0.7727.55. An attacker could exploit this vulnerability by providing a crafted HTML page that, when rendered, would allow for arbitrary code execution within the browser's sandbox. The vulnerability has a high severity score and affects users of Google Chrome versions prior to 147.0.7727.55.

Vendor
Google
Product
Chrome
CVSS
HIGH 8.8
CISA KEV
Not listed in stored evidence
Original CVE published
2026-04-08
Original CVE updated
2026-07-20
Advisory published
2026-04-08
Advisory updated
2026-07-20

Who should care

This vulnerability affects users of Google Chrome versions prior to 147.0.7727.55. Developers and security teams should prioritize patching or mitigating this vulnerability to prevent potential code execution attacks. IT administrators and cybersecurity professionals responsible for managing Google Chrome deployments should take immediate action to patch or mitigate this vulnerability.

Technical summary

The CVE-2026-5870 vulnerability is caused by an integer overflow in the Skia graphics library used by Google Chrome. This vulnerability can be exploited by a remote attacker through a specially crafted HTML page, potentially allowing the attacker to execute arbitrary code within the browser's sandbox environment. The vulnerability has been addressed in Google Chrome version 147.0.7727.55. Developers and security teams should prioritize patching or mitigating this vulnerability to prevent potential code execution attacks.

Defensive priority

High

Recommended defensive actions

  • Apply the official patch by updating Google Chrome to version 147.0.7727.55 or later.
  • Implement compensating controls such as monitoring for suspicious browser activity.
  • Enforce strict Content Security Policy (CSP) to limit script execution.
  • Educate users about the risks of clicking on suspicious links or opening untrusted HTML pages.
  • Review and update asset inventory to ensure all Google Chrome installations are patched.
  • Track exceptions and retest remediated assets to ensure the vulnerability is fully resolved.
  • Verify that monitoring and detection systems are in place to identify potential exploitation attempts.

Evidence notes

The CVE record was published on 2026-04-08T22:16:26.580Z and was last modified on 2026-07-20T20:10:00.110Z. The NVD entry is currently Analyzed. The vulnerability affects Google Chrome versions prior to 147.0.7727.55. Evidence is limited to public sources and may not reflect the full scope of affected systems or potential impacts.

Official resources

AI-assisted PatchSiren debrief based on the supplied source corpus. The CVE record was published on 2026-04-08T22:16:26.580Z and has not been modified since then. The NVD entry is currently Analyzed.