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CVE-2026-5875 Google CVE debrief

CVE-2026-5875 is a policy bypass vulnerability in Blink in Google Chrome prior to 147.0.7727.55. This vulnerability allows remote attackers to perform UI spoofing via a crafted HTML page. The Chromium security severity of this vulnerability is rated as Medium with a CVSS score of 4.3. The vulnerability can be exploited by remote attackers via a crafted HTML page, which can lead to UI spoofing. 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 4.3
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 could allow remote attackers to perform UI spoofing via a crafted HTML page. The Chromium security severity of this vulnerability is rated as Medium with a CVSS score of 4.3. IT administrators and security teams responsible for Google Chrome deployments should prioritize updating to the latest version.

Technical summary

The policy bypass vulnerability in Blink in Google Chrome prior to 147.0.7727.55 allows remote attackers to perform UI spoofing via a crafted HTML page. The vulnerability has a CVSS score of 4.3 and is rated as Medium by Chromium. The vulnerability is caused by a policy bypass in Blink, which is a browser engine developed by Google. The vulnerability can be exploited by remote attackers via a crafted HTML page, which can lead to UI spoofing. Users of Google Chrome prior to version 147.0.7727.55 should update to the latest version to mitigate this vulnerability.

Defensive priority

Medium

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
  • Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up
  • 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 2026-04-08T22:16:27.110Z and was last modified on 2026-07-24T08:10:00.150Z. The NVD entry is currently Analyzed. This vulnerability affects Google Chrome prior to version 147.0.7727.55. The policy bypass in Blink allows remote attackers to perform UI spoofing via a crafted HTML page. The Chromium security severity of this vulnerability is rated as Medium with a CVSS score of 4.3. Evidence limits suggest that defenders verify the affected scope and vendor guidance.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-5875 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-5875

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

  • CVE-2026-5875 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-5875

    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.