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PatchSiren cyber security CVE debrief

CVE-2026-5894 Google CVE debrief

CVE-2026-5894 is a vulnerability in Google Chrome's PDF implementation that could allow a remote attacker to bypass navigation restrictions. The CVE record was published on 2026-04-08T22:16:29.290Z and has not been modified since then. This vulnerability has a CVSS score of 4.3 and a severity of MEDIUM. Affected users should update to the latest version of Google Chrome to mitigate this vulnerability. The vulnerability was reported and patched, with the fix included in Google Chrome version 147.0.7727.55 or later.

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 includes users of Google Chrome on desktop and mobile platforms. Security teams and administrators responsible for managing Chrome deployments should prioritize updating affected systems to prevent exploitation.

Technical summary

Inappropriate implementation in PDF in Google Chrome prior to 147.0.7727.55 allowed a remote attacker to bypass navigation restrictions via a crafted HTML page. The vulnerability has a CVSS score of 4.3 and a severity of MEDIUM. This issue was addressed by updating the PDF implementation to properly handle crafted HTML pages, preventing navigation restrictions from being bypassed. Users of affected versions should update to Google Chrome version 147.0.7727.55 or later to mitigate this vulnerability.

Defensive priority

Medium priority

Recommended defensive actions

  • Update Google Chrome to version 147.0.7727.55 or later
  • Review and update affected systems
  • Monitor for suspicious activity
  • 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

Evidence notes

The CVE record was published on 2026-04-08T22:16:29.290Z and has not been modified since then. The NVD entry is currently Analyzed. This vulnerability affects Google Chrome's PDF implementation, allowing a remote attacker to bypass navigation restrictions via a crafted HTML page. Users should verify their Chrome version and update if necessary. The CVE has a CVSS score of 4.3 and a severity of MEDIUM.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-5894 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-5894

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

  • CVE-2026-5894 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-5894

    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.