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CVE-2026-9124 is an insufficient validation of untrusted input vulnerability in the Input component of Google Chrome affecting versions prior to 148.0.7778.179. The flaw allows a remote attacker, after compromising the renderer process, to trigger cross-origin data leakage by means of a crafted HTML page. The issue is classified by Chromium as Medium severity and represents a failure to properly validate attacker-controlled input in a browser component involved in handling web content.
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What it means. What to do now. Patch path, mitigations, and the assume-compromise checklist.
What an attacker gets, and what they’ve been doing with it.
If you can’t patch tonight, do this now.
Patch, then assume compromise.
No public exploits tracked yet. Mallory keeps watching.
No public exploit code observed for this vulnerability.
Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.
Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
5 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A medium-severity insufficient input validation vulnerability in Chrome or a related Google component.
A medium-severity insufficient validation of untrusted input vulnerability in Chrome's Input component.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.