CVE-2026-13778 is a critical use-after-free vulnerability in the WebUSB component of Google Chrome on macOS. According to the provided content, affected versions are Chrome on Mac prior to 150.0.7871.47. The flaw can be triggered via a malicious peripheral interacting with Chrome through WebUSB, leading to memory corruption after an object is freed and subsequently reused. The vulnerability is described by Chromium as critical and may permit 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.
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.
3 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A critical use-after-free vulnerability in Chrome WebUSB.
A critical use-after-free vulnerability in Chrome WebUSB.
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.