PatchSiren

PatchSiren cyber security CVE debrief

CVE-2026-12026 Google CVE debrief

CVE-2026-12026 is an out of bounds read vulnerability in Video in Google Chrome on ChromeOS prior to 149.0.7827.115. A remote attacker who had compromised the renderer process could obtain potentially sensitive information from process memory via a crafted HTML page. The Chromium security severity is rated as High.

Vendor
Google
Product
Chrome
CVSS
MEDIUM 6.5
CISA KEV
Not listed in stored evidence
Original CVE published
2026-06-11
Original CVE updated
2026-07-01
Advisory published
2026-06-11
Advisory updated
2026-07-01

Who should care

Users of Google Chrome on ChromeOS prior to version 149.0.7827.115 should update to the latest version to mitigate this vulnerability.

Technical summary

The vulnerability is caused by an out of bounds read in the Video component of Google Chrome on ChromeOS. This allows a remote attacker who has compromised the renderer process to access potentially sensitive information from process memory.

Defensive priority

High

Recommended defensive actions

  • Update Google Chrome on ChromeOS to version 149.0.7827.115 or later.

Evidence notes

Evidence for this CVE comes from official sources, including the CVE.org record and the NVD detail page.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-12026 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-12026

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

  • CVE-2026-12026 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-12026

    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.