PatchSiren

PatchSiren cyber security CVE debrief

CVE-2026-11158 Google CVE debrief

CVE-2026-11158 is a vulnerability in Google Chrome on Mac, where insufficient validation of untrusted input in Downloads allowed a local attacker to potentially perform a sandbox escape via a crafted AppleScript command. This vulnerability has a CVSS score of 8.6 and is classified as HIGH severity.

Vendor
Google
Product
Chrome
CVSS
HIGH 8.6
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 Mac, particularly those who may be targeted by local attackers, should be aware of this vulnerability and take steps to mitigate it.

Technical summary

The vulnerability exists in the Downloads feature of Google Chrome on Mac, where an attacker can craft an AppleScript command to potentially escape the sandbox. The CVSS vector for this vulnerability is CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H.

Defensive priority

High

Recommended defensive actions

  • Update Google Chrome to version 149.0.7827.53 or later to patch the vulnerability.
  • Use the official mitigation or vendor reference: [ref-4](https://chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop.html).

Evidence notes

The CVE record [cve-org](https://www.cve.org/CVERecord?id=CVE-2026-11158) and NVD detail [nvd](https://nvd.nist.gov/vuln/detail/CVE-2026-11158) provide additional information on this vulnerability.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-11158 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-11158

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

  • CVE-2026-11158 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-11158

    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.