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PatchSiren cyber security CVE debrief

CVE-2026-87519 Google CVE debrief

CVE-2026-87519 is an incorrect authorization vulnerability in Google Chrome's Safebrowsing feature prior to version 153.0.8010.36. This vulnerability could allow a remote attacker to bypass system access restrictions via a crafted HTML page, leveraging social engineering tactics. The Chromium security team classified this issue as Low severity. Affected Google Chrome deployments should be assessed for exposure, and updates should be prioritized. Users of Google Chrome should be aware of potential risks and take steps to mitigate them, including verifying Google Chrome versions and implementing social engineering awareness training.

Vendor
Google
Product
Chrome
CVSS
MEDIUM 6.5
CISA KEV
Not listed in stored evidence
Original CVE published
2026-09-09
Original CVE updated
2026-09-11
Advisory published
2026-09-09
Advisory updated
2026-09-11

Who should care

Defenders responsible for managing Google Chrome deployments should assess exposure and prioritize updates. Additionally, users of Google Chrome should be aware of the potential risks associated with this vulnerability and take steps to mitigate them.

Why it matters

CVE-2026-87519 is an incorrect authorization vulnerability in Google Chrome's Safebrowsing feature that could allow a remote attacker to bypass system access restrictions via a crafted HTML page, leveraging social engineering tactics. Defenders should prioritize updates and implement social engineering awareness training for users.

  • Defenders should verify Google Chrome versions and update to 153.0.8010.36 or later.
  • Implementing social engineering awareness training for users is recommended.
  • Monitoring for suspicious activity related to this vulnerability is necessary.

Technical summary

The vulnerability is caused by incorrect authorization in Google Chrome's Safebrowsing feature prior to version 153.0.8010.36. This could allow a remote attacker to bypass system access restrictions via a crafted HTML page, leveraging social engineering tactics.

Defensive priority

Defenders should prioritize updating Google Chrome to version 153.0.8010.36 or later to address this vulnerability. Additionally, implementing social engineering awareness training for users and monitoring for suspicious activity related to this vulnerability is recommended.

Recommended defensive actions

  • Update Google Chrome to version 153.0.8010.36 or later
  • Implement social engineering awareness training for users
  • Monitor for suspicious activity related to this vulnerability

Evidence notes

The CVE record and NVD vulnerability detail page provide information on this vulnerability, including its CVSS score and severity. Vendor advisory and release notes are also available.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-87519 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-87519

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

  • CVE-2026-87519 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-87519

    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.