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High

Use-after-free in Google Chrome HID

IdentifiersCVE-2026-8515CWE-416· Use After Free

CVE-2026-8515 is a critical use-after-free vulnerability in the HID component of Google Chrome prior to version 148.0.7778.168. According to the provided content, a remote attacker could trigger the flaw via a crafted HTML page if they convinced a user to perform specific UI gestures. The vulnerability is described as affecting Chrome's HID functionality and, due to the use-after-free condition, could lead to memory corruption during object lifecycle handling after memory had already been released.

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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 a remote attacker to potentially achieve a sandbox escape from the browser context. Given the vulnerability class and the advisory language, the likely security impact is compromise beyond the renderer sandbox boundary, which could enable further access to the host environment and increase the severity of a browser-based attack chain.

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 restricting user interaction with attacker-controlled pages, since exploitation requires a crafted HTML page and specific UI gestures. Enterprise defenders can prioritize rapid browser patch deployment, enforce managed browser updates, and consider temporary controls that reduce access to potentially malicious web content until the fixed version is deployed. However, patching is the primary mitigation.

Remediation

Patch, then assume compromise.

Update Google Chrome to version 148.0.7778.168 or later on affected platforms. The provided content indicates that Google released fixes in Chrome 148.0.7778.167/168 for Windows and Mac and 148.0.7778.167 for Linux as part of the relevant security update; for this CVE specifically, the description states affected versions are prior to 148.0.7778.168. Apply the latest stable Chrome update and relaunch the browser to ensure the patched HID component is in use.
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

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

5 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 activity2

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

EXTERNAL REFERENCES
MITRE CVE
cve.org · CVE-2026-8515
NVD
nvd.nist.gov/vuln/detail/CVE-2026-8515
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/495999127