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PatchSiren cyber security CVE debrief

CVE-2026-11091 Google CVE debrief

A vulnerability was discovered in Google Chrome prior to version 149.0.7827.53, specifically in the Dawn implementation. This vulnerability, tracked as CVE-2026-11091, allows a remote attacker to potentially perform out of bounds memory access via a crafted HTML page. The Chromium security severity of this issue is classified as Medium, with a CVSS score of 8.8, indicating a HIGH severity level.

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 caused by an inappropriate implementation in Dawn, a component used in Google Chrome. This allows remote attackers to potentially access memory outside the intended bounds, which could lead to security issues.

Defensive priority

High

Recommended defensive actions

  • Update Google Chrome to version 149.0.7827.53 or later.
  • Refer to [ref-4](https://chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop.html) for more information on the stable channel update for desktop.

Evidence notes

The CVE record [cve-org](https://www.cve.org/CVERecord?id=CVE-2026-11091) and NVD detail [nvd](https://nvd.nist.gov/vuln/detail/CVE-2026-11091) provide additional information on this vulnerability.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-11091 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-11091

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

  • CVE-2026-11091 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-11091

    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.