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CVE-2026-9118 is a high-severity use-after-free vulnerability in the XR component of Google Chrome. It affects Chrome on Windows prior to 148.0.7778.179 and is also listed as fixed in 148.0.7778.178 on macOS and Linux. The flaw resides in Chromium's XR subsystem, which implements WebXR-related functionality. A remote attacker can trigger the vulnerable code path by causing a target to load a crafted HTML page, leading Chrome to dereference freed memory. Public reporting identifies the bug class and affected component, but does not disclose the specific vulnerable objects or functions. Successful exploitation can result in arbitrary code execution.
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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.
11 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A high-severity use-after-free vulnerability in the Chrome XR component.
A high-severity use-after-free vulnerability in the XR component of Google Chrome on Windows that could allow remote code execution via a crafted HTML page.
A use-after-free remote code execution vulnerability in Google Chrome's XR component / WebXR handling, primarily highlighted for Windows, where a malicious web page can trigger memory corruption and execute arbitrary code in the Chrome renderer process.
A high-severity use-after-free vulnerability in Chrome's XR 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.