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CVE-2026-5893 Google CVE debrief

CVE-2026-5893 is a Medium severity vulnerability in Google Chrome prior to version 147.0.7727.55. The vulnerability is caused by a race condition in the V8 engine, which could allow a remote attacker to potentially exploit heap corruption via a crafted HTML page. This vulnerability has a CVSS score of 6.8 and a Medium severity level. Users of Google Chrome prior to version 147.0.7727.55 should update to the latest version to mitigate this vulnerability.

Vendor
Google
Product
Chrome
CVSS
MEDIUM 6.8
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

Users of Google Chrome prior to version 147.0.7727.55 should update to the latest version to mitigate this vulnerability. This vulnerability has a CVSS score of 6.8 and a Medium severity level. The vulnerability can be mitigated by updating Google Chrome to version 147.0.7727.55 or later.

Technical summary

The vulnerability is caused by a race condition in the V8 engine, which could allow a remote attacker to potentially exploit heap corruption via a crafted HTML page. The vulnerability has been assigned a CVSS score of 6.8 and a Medium severity level. The affected product is Google Chrome prior to version 147.0.7727.55. The vulnerability can be mitigated by updating Google Chrome to version 147.0.7727.55 or later.

Defensive priority

Medium priority

Recommended defensive actions

  • Update Google Chrome to version 147.0.7727.55 or later
  • Monitor for suspicious activity
  • Implement compensating controls
  • 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 2026-04-08T22:16:29.180Z and was last modified on 2026-07-24T08:10:00.150Z. The NVD entry is currently Analyzed. The vulnerability has a CVSS score of 6.8 and a Medium severity level. Users of Google Chrome prior to version 147.0.7727.55 should update to the latest version to mitigate this vulnerability. The vulnerability is caused by a race condition in the V8 engine, which could allow a remote attacker to potentially exploit heap corruption via a crafted HTML page.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-5893 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-5893

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

  • CVE-2026-5893 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-5893

    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.