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CVE-2026-10958 Google CVE debrief

CVE-2026-10958 is a high-severity vulnerability in Google Chrome for iOS prior to version 149.0.7827.53. This use-after-free vulnerability allows a remote attacker to execute arbitrary code on an affected device via a crafted HTML page when a user engages in specific UI gestures.

Vendor
Google
Product
Chrome
CVSS
HIGH 8.8
CISA KEV
Not listed in stored evidence
Original CVE published
2026-06-04
Original CVE updated
2026-07-22
Advisory published
2026-06-04
Advisory updated
2026-07-22

Who should care

Users of Google Chrome on iOS prior to version 149.0.7827.53, as well as administrators and security teams responsible for managing and securing Chrome installations.

Technical summary

The vulnerability is caused by a use-after-free issue in Google Chrome for iOS. This occurs when the browser attempts to access memory that has already been freed, allowing an attacker to potentially execute arbitrary code.

Defensive priority

High

Recommended defensive actions

  • Update Google Chrome for iOS to version 149.0.7827.53 or later.
  • Ensure that users are aware of the risks associated with engaging in specific UI gestures on untrusted websites.

Evidence notes

The CVE-2026-10958 vulnerability has a CVSS score of 8.8 and is classified as High severity. It was published on 2026-06-04T23:16:58.787Z and modified on 2026-06-06T01:56:39.193Z.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-10958 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-10958

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

  • CVE-2026-10958 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-10958

    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.