High

Use-after-free in Google Chrome FileSystem

IdentifiersCVE-2026-6360CWE-416· Use After Free

CVE-2026-6360 is a high-severity use-after-free vulnerability in the FileSystem component of Google Chrome. According to the provided content, Chrome versions prior to 147.0.7727.101 are affected, with fixes released in 147.0.7727.101 for Linux and 147.0.7727.101/102 for Windows and macOS. A remote attacker can trigger the flaw via a crafted HTML page, leading to object corruption. Public technical details about the exact vulnerable function or code path are not available in the provided material because the associated Chromium issue remains access restricted.

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ANALYST BRIEF

Impact, mitigation & remediation

What it means. What to do now. Patch path, mitigations, and the assume-compromise checklist.

Impact

What an attacker gets, and what they’ve been doing with it.

Successful exploitation can cause object corruption and may enable arbitrary code execution in the context of the browser, at minimum causing a renderer crash or denial of service. The provided content also indicates potential high impact to confidentiality, integrity, and availability, and notes that further exploitation could be used to pursue sandbox escape or broader compromise, although no public evidence of such chaining is provided here.

Mitigation

If you can’t patch tonight, do this now.

Apply the vendor patch immediately. Until patching is complete, reduce exposure to untrusted web content, especially links or pages from untrusted sources, because exploitation is delivered through crafted HTML content. Enterprise defenders can also limit risk by restricting browser use on high-value systems and ensuring rapid browser restart after auto-update. No specific configuration-based workaround is provided in the supplied content.

Remediation

Patch, then assume compromise.

Update Google Chrome to a fixed version. The provided content states Google addressed the issue in Chrome 147.0.7727.101 for Linux and 147.0.7727.101/102 for Windows and macOS. Any Chromium-based browser incorporating the affected FileSystem code should also be updated once the vendor ships a corresponding fix. Ensure the browser is restarted after update so the patched binary is loaded.

PUBLIC EXPLOITS

Exploits

No public exploits tracked yet. Mallory keeps watching.

VALID 0 / 0 TOTALView more in app

No public exploit code observed for this vulnerability.

EXPOSURE SURFACE

Affected products & vendors

Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.

VendorProductType

GoogleChromeapplication

Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.

ACTIVITY FEED

Recent activity

7 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.

7 SOURCESView more in app

cvefeed high severityNews

Apr 15, 2026

CVE-2026-6360 - Google Chrome FileSystem Use-After-Free Vulnerability

A high-severity use-after-free vulnerability in the FileSystem component of Google Chrome that could allow a remote attacker to potentially exploit object corruption via a crafted HTML page.

chrome releases blogNews

Apr 15, 2026

Chrome Releases: Stable Channel Update for Desktop

A high-severity use-after-free vulnerability in FileSystem in Google Chrome.

zeropath blogNews

Apr 15, 2026

Google Chrome FileSystem Use After Free (CVE-2026-6360): Brief Summary of a High Severity Browser Flaw - ZeroPath Blog | ZeroPath

A high-severity use-after-free vulnerability in Google Chrome's FileSystem component that can allow remote attackers to trigger object corruption and potentially achieve code execution via a crafted HTML page.

What this page doesn’t show

The version that knows your environment.

This page is what’s public. Mallory adds the parts that aren’t: which of your assets are affected, which adversaries are exploiting it right now, which detections to deploy, and what to do tonight.

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Exposure mapping

Query your assets running an affected version, and investigate the blast radius.

Threat actor evidence

Every observed campaign linking this CVE to a named adversary.

Associated malware

Malware families riding this exploit, with evidence and IOCs.

Detection signatures

YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.

Vendor-by-vendor mapping

Cross-references every affected SKU, including bundled OEM variants.

Social activity3

Community discussion across Reddit, Mastodon, and other social sources.

EXTERNAL REFERENCES

MITRE CVE

cve.org · CVE-2026-6360

NVD

nvd.nist.gov/vuln/detail/CVE-2026-6360

MITRE CWE · CWE-416

Use After Free

Vendor Advisory

chromereleases.googleblog.com/2026/04/stable-channel-update-for-desktop_15.html

Issue Tracking

issues.chromium.org/issues/497880137