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CVE-2026-106296 Google CVE debrief

CVE-2026-106296 is a low-severity vulnerability in Google Chrome on Mac systems, caused by improper privilege management in the UI. This allows a remote attacker to bypass system access restrictions via a crafted HTML page, leveraging social engineering tactics. The vulnerability affects Google Chrome on Mac systems prior to version 155.0.8059.39. Defenders should assess exposure and apply updates, prioritizing user accounts with elevated privileges. The CVE record and source item provide details on the vulnerability, but limited information is available on exploitation or impact.

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 Google Chrome deployments on Mac systems, particularly those with elevated privileges, should assess exposure and apply updates. Additionally, security teams and vulnerability management teams should review the vulnerability and its potential impact on their systems. Operators and administrators of Google Chrome on Mac systems should also be aware of the vulnerability and take necessary precautions.

Why it matters

CVE-2026-106296 is a low-severity vulnerability in Google Chrome on Mac systems, allowing remote attackers to bypass system access restrictions via social engineering and crafted HTML pages. Defenders should assess exposure, apply updates, and verify system access restrictions.

  • Verify system access restrictions and social engineering defenses.
  • Assess exposure and apply updates for Google Chrome on Mac systems, prioritizing user accounts with elevated privileges.
  • Monitor for suspicious activity related to crafted HTML pages.

Technical summary

The vulnerability is caused by improper privilege management in the UI of Google Chrome on Mac systems prior to version 155.0.8059.39. This allows a remote attacker to bypass system access restrictions via a crafted HTML page, leveraging social engineering tactics. The vulnerability affects Google Chrome on Mac systems and has a low severity rating. Defenders should assess exposure and apply updates, prioritizing user accounts with elevated privileges. The CVE record and source item provide additional context on the vulnerability.

Defensive priority

Assess exposure and apply updates for Google Chrome on Mac systems, prioritizing user accounts with elevated privileges.

Recommended defensive actions

  • Assess exposure and apply updates for Google Chrome on Mac systems, prioritizing user accounts with elevated privileges.
  • Verify system access restrictions and social engineering defenses.
  • Monitor for suspicious activity related to crafted HTML pages.
  • 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 record and source item provide details on the vulnerability, but limited information is available on exploitation or impact. The vulnerability has been publicly disclosed, but there is no evidence of widespread exploitation. Defenders should verify system access restrictions and social engineering defenses. The source item and CVE record provide additional context, but further investigation is needed to determine the full scope of the vulnerability.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-106296 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-106296

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

  • CVE-2026-106296 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-106296

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

Supplemental references

  • CVE-2026-106296

    Unverified legacy reference

    URL: https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/106xxx/CVE-2026-106296.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/540078886

    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.