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PatchSiren cyber security CVE debrief

CVE-2026-11636 Google CVE debrief

CVE-2026-11636 is a high-severity vulnerability in Google Chrome on Windows, allowing potential heap corruption via a crafted HTML page. The vulnerability is caused by a use-after-free issue in the Autofill feature. An attacker could exploit this vulnerability by convincing a user to engage in specific UI gestures.

Vendor
Google
Product
Chrome
CVSS
HIGH 7.5
CISA KEV
Not listed in stored evidence
Original CVE published
2026-06-09
Original CVE updated
2026-06-09
Advisory published
2026-06-09
Advisory updated
2026-06-09

Who should care

Users of Google Chrome on Windows, particularly those who may be targeted by attackers, should be aware of this vulnerability and take steps to mitigate it.

Technical summary

The vulnerability has a CVSS score of 7.5 and is classified as HIGH severity. It exists in Google Chrome on Windows prior to version 149.0.7827.103. The vulnerability is caused by a use-after-free issue in the Autofill feature, which could allow a remote attacker to potentially exploit heap corruption via a crafted HTML page.

Defensive priority

High

Recommended defensive actions

  • Update Google Chrome to version 149.0.7827.103 or later.
  • Be cautious when engaging with HTML pages from untrusted sources.

Evidence notes

Evidence from the NVD and Google Chrome release notes confirm the existence and details of this vulnerability.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-11636 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-11636

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

  • CVE-2026-11636 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-11636

    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.