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CVE-2026-15115 is a high-severity input validation vulnerability in the WebAppInstalls component of Google Chrome on Android. Versions prior to 150.0.7871.115 insufficiently validate untrusted input, allowing a local attacker to use a crafted HTML page to bypass the browser's same origin policy. The flaw is rooted in improper handling of attacker-controlled input during web app installation-related processing, resulting in a security boundary bypass rather than direct memory corruption.
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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.
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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.
7 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A high-severity insufficient input validation vulnerability in Chrome's WebAppInstalls component.
A high-severity insufficient validation of untrusted input vulnerability in Chrome's WebAppInstalls 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.