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CVE-2026-106288 Google CVE debrief

CVE-2026-106288 debrief based on CVE Program and NVD records. Google Chrome versions prior to 155.0.8059.39 are affected by a missing authorization vulnerability. This CVE was published on 2026-10-06T18:41:40.400Z and has not been modified since then. The NVD entry is currently unclassified. The vulnerability allows remote attackers to bypass system access restrictions via a crafted HTML page, which has a low severity rating according to Chromium. Defenders should assess exposure and prioritize patching.

Vendor
Google
Product
Chrome
CVSS
Unknown
CISA KEV
Not listed in stored evidence
Original CVE published
2026-10-06
Original CVE updated
2026-10-07
Advisory published
2026-10-06
Advisory updated
2026-10-07

Who should care

Defenders responsible for managing Google Chrome deployments should assess exposure and prioritize patching. IT teams and security professionals should verify Chrome versions and apply updates to prevent potential bypass attempts.

Why it matters

CVE-2026-106288 is a missing authorization vulnerability in Google Chrome that allows remote attackers to bypass system access restrictions. Defenders should prioritize verifying Chrome versions and applying patches to prevent potential bypass attempts.

  • Verify Chrome version and apply patches to prevent bypass attempts
  • Monitor system access restrictions for potential bypass attempts
  • Review and adjust social engineering defenses

Technical summary

CVE-2026-106288 is a missing authorization vulnerability in Google Chrome prior to version 155.0.8059.39. This allows remote attackers to bypass system access restrictions via a crafted HTML page. The vulnerability has a low severity rating according to Chromium and defenders should prioritize verifying Chrome versions and applying patches to prevent potential bypass attempts. The vulnerability affects Google Chrome deployments and defenders should assess exposure and prioritize patching. The CVE record was published on 2026-10-06T18:41:40.400Z and has not been modified since then.

Defensive priority

Defenders should prioritize verifying Chrome versions and applying patches.

Recommended defensive actions

  • Verify and apply Chrome updates to version 155.0.8059.39 or later
  • Monitor system access restrictions for potential bypass attempts
  • Review and adjust social engineering defenses
  • Review compensating controls for exposed systems while remediation is scheduled and verified
  • Check relevant monitoring, detection, and logs for exposed assets that need extra review
  • Track exceptions, retest remediated assets, and close the item only after evidence is documented
  • Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up

Evidence notes

The CVE Program and NVD records provide details on the vulnerability. However, additional information on exploitation or impact is limited. Defenders should verify Chrome versions and apply updates to prevent potential bypass attempts. The CVE record was published on 2026-10-06T18:41:40.400Z and has not been modified since then. The vulnerability has a low severity rating according to Chromium.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-106288 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-106288

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

  • CVE-2026-106288 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-106288

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

  • CVE-2026-106288

    Unverified legacy reference

    URL: https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/106xxx/CVE-2026-106288.json

    cve_program_cvelist_v5

  • Source reference

    Unverified legacy reference

    URL: https://chromereleases.googleblog.com/2026/10/stable-channel-update-for-desktop_086471744.html

    Supplemental source

  • Source reference

    Unverified legacy reference

    URL: https://issues.chromium.org/issues/553274076

    Supplemental source

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.