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Multiple vulnerabilities in Google Chrome 153

elevated vulnerability

Free public brief. The indicators, the detections with Splunk SPL already written (plus Elastic and KQL where they apply), and a Slack alert the next time this touches a vendor you run are in the app — free account, no card.

Google Chrome versions before 153.0.8010.47/48 contain multiple unspecified security flaws requiring immediate update.

CERT-FR has published a security advisory addressing multiple vulnerabilities in Google Chrome affecting Windows, Linux, and macOS systems. The vulnerabilities impact Chrome versions prior to 153.0.8010.47 on Windows and Linux, and 153.0.8010.48 on macOS. The vendor has not publicly disclosed the specific nature of these flaws beyond that they permit unspecified security issues. Google released patched versions on September 15, 2026. Defenders should immediately update Chrome installations to the fixed versions to mitigate risk. The advisory references 42 CVE identifiers, though detailed technical descriptions are not provided in the CERT-FR notice itself; defenders should consult Google's official release notes for complete vulnerability details.

Mentioned in this report

Vulnerabilities CVE-2026-91708CVE-2026-91709CVE-2026-91710CVE-2026-91711CVE-2026-91712CVE-2026-91713CVE-2026-91714CVE-2026-91715CVE-2026-91716CVE-2026-91717CVE-2026-91718CVE-2026-91719CVE-2026-91720CVE-2026-91721CVE-2026-91722CVE-2026-91723CVE-2026-91724CVE-2026-91725CVE-2026-91726CVE-2026-91727CVE-2026-91728CVE-2026-91729CVE-2026-91730CVE-2026-91731CVE-2026-91732CVE-2026-91733CVE-2026-91734CVE-2026-91735CVE-2026-91736CVE-2026-91737CVE-2026-91738CVE-2026-91739CVE-2026-91740CVE-2026-91741CVE-2026-91742CVE-2026-91743CVE-2026-91744CVE-2026-91745CVE-2026-91746CVE-2026-91747

Source reporting: https://www.cert.ssi.gouv.fr/avis/CERTFR-2026-AVI-1178

What this brief leaves out

This page is the free tier: the write-up, the severity, the names. In the app the same report carries its extracted indicators, its detections (Splunk SPL already written, plus Elastic and Microsoft KQL where they apply), the actors and CVEs it names as live profiles, and the vendor research on the same campaign — the primary source the news paraphrased, cited and read directly.

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