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CVE-2026-11040 Google CVE debrief

CVE-2026-11040 is a use-after-free vulnerability in ANGLE (Almost Native Graphics Layer Engine) within Google Chrome. This vulnerability was reported with a CVSS score of 8.3, indicating a high severity level. The vulnerability existed prior to Google Chrome version 149.0.7827.53 and could potentially allow a remote attacker, who had compromised the renderer process, to perform a sandbox escape via a crafted HTML page.

Vendor
Google
Product
Chrome
CVSS
HIGH 8.3
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, especially those who might be targeted by remote attackers, should be aware of this vulnerability. Given its high severity and the potential for sandbox escape, users are advised to update Google Chrome to version 149.0.7827.53 or later.

Technical summary

The vulnerability is a use-after-free issue within ANGLE, a component used in Google Chrome for graphics rendering. This type of vulnerability occurs when a program continues to use a pointer or reference to memory after it has been freed or deleted, leading to unpredictable behavior. In this case, a remote attacker who has compromised the renderer process could potentially exploit this vulnerability to escape the sandbox, allowing for further malicious actions.

Defensive priority

High

Recommended defensive actions

  • Update Google Chrome to version 149.0.7827.53 or later.
  • Avoid clicking on suspicious links or downloading files from untrusted sources to reduce the risk of compromising the renderer process.

Evidence notes

The CVE was published on [cvePublishedAt] and modified on [cveModifiedAt]. The vulnerability was reported with a CVSS score of 8.3, indicating high severity.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-11040 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-11040

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

  • CVE-2026-11040 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-11040

    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.