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PatchSiren cyber security CVE debrief

CVE-2026-5913 Google CVE debrief

CVE-2026-5913 is an out-of-bounds read vulnerability in Blink, a browser engine used in Google Chrome. The vulnerability was patched in Google Chrome version 147.0.7727.55. An attacker could exploit this vulnerability by providing a crafted HTML page that triggers an out-of-bounds memory read. This vulnerability has a CVSS score of 8.1 and is considered High severity. Users of Google Chrome prior to version 147.0.7727.55 should apply the update to prevent potential exploitation of this vulnerability.

Vendor
Google
Product
Chrome
CVSS
HIGH 8.1
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 apply the update to prevent potential exploitation of this vulnerability. This includes administrators and users of Chrome-based browsers in enterprise environments, as well as individual users who want to ensure their browser is up-to-date and secure.

Technical summary

The CVE-2026-5913 vulnerability is caused by an out-of-bounds read in Blink, a browser engine used in Google Chrome. This vulnerability can be exploited by a remote attacker who can provide a crafted HTML page that triggers an out-of-bounds memory read. The vulnerability was patched in Google Chrome version 147.0.7727.55. There are no known exploits or reports of this vulnerability being used in the wild.

Defensive priority

High

Recommended defensive actions

  • Apply the Google Chrome update to version 147.0.7727.55 or later
  • Monitor for suspicious activity
  • Implement compensating controls
  • Review system logs for potential exploitation attempts
  • Verify Chrome version is up-to-date
  • Conduct regular security audits and vulnerability assessments

Evidence notes

The CVE record was published on 2026-04-08T22:16:31.220Z and was last modified on 2026-07-24T08:10:00.150Z. The NVD entry is currently Modified. Evidence is limited to CVE and NVD details. Defenders should verify Chrome version 147.0.7727.55 or later is deployed, review system logs for potential exploitation attempts, and ensure proper security controls are in place.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-5913 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-5913

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

  • CVE-2026-5913 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-5913

    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.