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High

Sandbox escape use-after-free in Aura in Google Chrome

IdentifiersCVE-2026-8514CWE-416· Use After Free

CVE-2026-8514 is a critical use-after-free vulnerability in the Aura component of Google Chrome affecting versions prior to 148.0.7778.168. According to the provided content, the flaw can be triggered via a crafted HTML page and is exploitable by a remote attacker who has already compromised the renderer process. The vulnerability is described as a memory-lifecycle error in Aura where freed memory may be subsequently reused, creating a path to corrupt program state and cross a security boundary. The issue was fixed in Chrome 148.0.7778.168.

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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 could allow an attacker who already achieved code execution or equivalent control within the renderer process to escape Chrome's sandbox. This can enable compromise beyond the renderer security boundary, potentially leading to execution in a more privileged browser context and facilitating further host compromise, access to data outside the renderer sandbox, or follow-on actions against the underlying operating system.

Mitigation

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

If immediate patching is not possible, reduce exposure by limiting use of untrusted websites and web content, especially content capable of triggering renderer compromise, because exploitation requires prior renderer compromise and a crafted HTML page. Apply Chrome updates as soon as available, enforce rapid browser patch management in enterprise environments, and consider temporary restrictions on high-risk browsing until patched. No specific vendor workaround beyond updating is provided in the content.

Remediation

Patch, then assume compromise.

Update Google Chrome to version 148.0.7778.168 or later on affected platforms. The provided content indicates Google released fixes in the Chrome stable channel and recommended applying the update and relaunching the browser. Enterprise administrators should ensure managed deployments are upgraded to the patched build across Windows, macOS, and Linux channels as applicable.
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

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

6 SOURCESView more in app
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-2026-8514
NVD
nvd.nist.gov/vuln/detail/CVE-2026-8514
MITRE CWE · CWE-416
Use After Free
Vendor Advisory
chromereleases.googleblog.com/2026/05/stable-channel-update-for-desktop_12.html
Permissions Required
issues.chromium.org/issues/495948109