PatchSiren

PatchSiren cyber security CVE debrief

CVE-2026-11115 Google CVE debrief

CVE-2026-11115 is a high-severity vulnerability in Google Chrome on Windows, with a CVSS score of 7.3. The vulnerability is caused by a use-after-free issue in the Updater component, which can be exploited by a local attacker to perform OS-level privilege escalation via a malicious file. The vulnerability was published on [cvePublishedAt] and modified on [cveModifiedAt].

Vendor
Google
Product
Chrome
CVSS
HIGH 7.3
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 on Windows should apply the patch to prevent local attackers from escalating privileges.

Technical summary

The vulnerability is caused by a use-after-free issue in the Updater component of Google Chrome on Windows. This can be exploited by a local attacker to perform OS-level privilege escalation via a malicious file. The CVSS vector for this vulnerability is CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H.

Defensive priority

High

Recommended defensive actions

  • Apply the patch: Update Google Chrome to version 149.0.7827.53 or later.
  • Refer to [ref-4] for mitigation or vendor reference.
  • Refer to [ref-5] for additional information.

Evidence notes

The vulnerability was reported by [email protected] and has a CWE-416 weakness.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-11115 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-11115

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

  • CVE-2026-11115 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-11115

    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.