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CVE-2026-11177 Google CVE debrief

CVE-2026-11177 is a Use after free vulnerability in Omnibox in Google Chrome prior to 149.0.7827.53. A remote attacker could exploit heap corruption via a crafted HTML page by convincing a user to engage in specific UI gestures. The vulnerability has a CVSS score of 8.8 and is considered HIGH severity.

Vendor
Google
Product
Chrome
CVSS
HIGH 8.8
CISA KEV
Not listed in stored evidence
Original CVE published
2026-06-04
Original CVE updated
2026-07-23
Advisory published
2026-06-04
Advisory updated
2026-07-23

Who should care

Users of Google Chrome prior to version 149.0.7827.53 should update to the latest version to mitigate this vulnerability.

Technical summary

The vulnerability is a Use after free issue in the Omnibox component of Google Chrome. This occurs when the program attempts to access memory after it has been freed, potentially leading to heap corruption. An attacker could exploit this by crafting a malicious HTML page that, when interacted with through specific UI gestures by a user, could lead to heap corruption.

Defensive priority

High

Recommended defensive actions

  • Update Google Chrome to version 149.0.7827.53 or later.
  • Be cautious when interacting with links or pages from untrusted sources.

Evidence notes

The CVE was published on 2026-06-04T23:17:24.567Z and modified on 2026-06-08T14:21:13.517Z. The vulnerability was reported by [email protected] and has a CVSS vector of CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-11177 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-11177

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

  • CVE-2026-11177 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-11177

    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.