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Use-after-Free in Blink in Google Chrome

IdentifiersCVE-2026-13031CWE-416

CVE-2026-13031 is a high-severity use-after-free vulnerability in the Blink rendering engine of Google Chrome. According to the provided content, affected versions are Chrome prior to 149.0.7827.197, and the issue can be triggered by a remote attacker via a crafted HTML page. Successful exploitation allows arbitrary code execution within the Chrome sandbox. The specific vulnerable function or code path is not provided in the available content.

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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.

A remote attacker can exploit this flaw by getting a target to load a crafted HTML page, resulting in arbitrary code execution in the context of the Chrome renderer sandbox. This can lead to compromise of the browser process within sandbox constraints and may also cause denial of service through renderer instability or crash. The provided content does not establish a sandbox escape.

Mitigation

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

Apply the vendor update as soon as possible. Until patching is complete, reduce exposure by limiting access to untrusted web content and avoiding opening attacker-controlled or untrusted HTML pages. Enterprise administrators should expedite browser updates across managed fleets.

Remediation

Patch, then assume compromise.

Upgrade Google Chrome to version 149.0.7827.197 or later. The content also notes Stable channel updates to 149.0.7827.196/197 for Windows and Mac and 149.0.7827.196 for Linux; however, the specific advisory for this CVE states remediation is 149.0.7827.197 or later.
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

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

4 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 activity1

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

EXTERNAL REFERENCES
MITRE CVE
cve.org · CVE-2026-13031
NVD
nvd.nist.gov/vuln/detail/CVE-2026-13031
MITRE CWE · CWE-416
cwe.mitre.org